diff --git a/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs b/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs
index 4bf197ea..e6599836 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs
@@ -16,6 +16,10 @@ public interface IAgentService
     /// <returns></returns>
     Task<Agent> LoadAgent(string id);
 
+    string RenderedInstruction(Agent agent);
+
+    string RenderedTemplate(Agent agent, string templateName);
+
     /// <summary>
     /// Get agent detail without trigger any hook.
     /// </summary>
diff --git a/src/Infrastructure/BotSharp.Abstraction/Agents/Models/Agent.cs b/src/Infrastructure/BotSharp.Abstraction/Agents/Models/Agent.cs
index 42710520..7115ccf1 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Agents/Models/Agent.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Agents/Models/Agent.cs
@@ -65,6 +65,12 @@ public class Agent
     public List<RoutingRule> RoutingRules { get; set; }
         = new List<RoutingRule>();
 
+    /// <summary>
+    /// For rendering deferral
+    /// </summary>
+    [JsonIgnore]
+    public Dictionary<string, object> TemplateDict { get; set; }
+
     public override string ToString()
         => $"{Name} {Id}";
 
diff --git a/src/Infrastructure/BotSharp.Abstraction/Functions/Models/ParameterPropertyDef.cs b/src/Infrastructure/BotSharp.Abstraction/Functions/Models/ParameterPropertyDef.cs
index 04159b95..fd927bbc 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Functions/Models/ParameterPropertyDef.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Functions/Models/ParameterPropertyDef.cs
@@ -1,5 +1,3 @@
-using BotSharp.Abstraction.Models;
-
 namespace BotSharp.Abstraction.Functions.Models;
 
 public class ParameterPropertyDef : NameDesc
@@ -10,6 +8,9 @@ public class ParameterPropertyDef : NameDesc
         Type = type;
     }
 
+    [JsonPropertyName("required")]
+    public bool Required { get; set; }
+
     /// <summary>
     /// string, number, object
     /// </summary>
diff --git a/src/Infrastructure/BotSharp.Abstraction/Instructs/IInstructService.cs b/src/Infrastructure/BotSharp.Abstraction/Instructs/IInstructService.cs
index 2162204d..476a9f01 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Instructs/IInstructService.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Instructs/IInstructService.cs
@@ -4,5 +4,5 @@ namespace BotSharp.Abstraction.Instructs;
 
 public interface IInstructService
 {
-    Task<InstructResult> Execute(Agent agent, RoleDialogModel message);
+    Task<InstructResult> Execute(string agentId, RoleDialogModel message, string? templateName = null);
 }
diff --git a/src/Infrastructure/BotSharp.Abstraction/Planning/IExecutor.cs b/src/Infrastructure/BotSharp.Abstraction/Planning/IExecutor.cs
new file mode 100644
index 00000000..54c674db
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Planning/IExecutor.cs
@@ -0,0 +1,13 @@
+using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Routing;
+
+namespace BotSharp.Abstraction.Planning;
+
+public interface IExecutor
+{
+    Task<bool> Execute(IRoutingService routing, 
+        Agent router,
+        FunctionCallFromLlm inst,
+        List<RoleDialogModel> dialogs,
+        RoleDialogModel message);
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Planning/IPlaner.cs b/src/Infrastructure/BotSharp.Abstraction/Planning/IPlaner.cs
new file mode 100644
index 00000000..e42e99c5
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Planning/IPlaner.cs
@@ -0,0 +1,12 @@
+using BotSharp.Abstraction.Functions.Models;
+
+namespace BotSharp.Abstraction.Planning;
+
+/// <summary>
+/// Task breakdown and execution plan 
+/// </summary>
+public interface IPlaner
+{
+    Task<FunctionCallFromLlm> GetNextInstruction(Agent router, string conversation);
+    Task<bool> AgentExecuted(FunctionCallFromLlm inst, RoleDialogModel message);
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingHandler.cs b/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingHandler.cs
index 6c8ae94e..f57080d7 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingHandler.cs
@@ -1,4 +1,5 @@
 using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Planning;
 
 namespace BotSharp.Abstraction.Routing;
 
@@ -10,9 +11,9 @@ public interface IRoutingHandler
 {
     string Name { get; }
     string Description { get; }
-    bool IsReasoning => false;
+    List<string> Planers => null;
     bool Enabled => true;
-    List<NameDesc> Parameters => new List<NameDesc>();
+    List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>();
 
     void SetRouter(Agent router) { }
 
diff --git a/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingService.cs b/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingService.cs
index 47744957..127c708e 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingService.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingService.cs
@@ -1,5 +1,3 @@
-using BotSharp.Abstraction.Functions.Models;
-
 namespace BotSharp.Abstraction.Routing;
 
 public interface IRoutingService
@@ -7,7 +5,6 @@ public interface IRoutingService
     List<RoleDialogModel> Dialogs { get; }
     void ResetRecursiveCounter();
     void RefreshDialogs();
-    Task<FunctionCallFromLlm> GetNextInstruction();
     Task<bool> InvokeAgent(string agentId, RoleDialogModel message);
     Task<bool> InstructLoop(RoleDialogModel message);
     Task<bool> ExecuteOnce(Agent agent, RoleDialogModel message);
diff --git a/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingHandlerDef.cs b/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingHandlerDef.cs
index 0591fa0c..f0bfbf5a 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingHandlerDef.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingHandlerDef.cs
@@ -1,4 +1,4 @@
-using BotSharp.Abstraction.Models;
+using BotSharp.Abstraction.Functions.Models;
 
 namespace BotSharp.Abstraction.Routing.Models;
 
@@ -6,7 +6,7 @@ public class RoutingHandlerDef
 {
     public string Name { get; set; }
     public string Description { get; set; }
-    public List<NameDesc> Parameters { get; set; }
+    public List<ParameterPropertyDef> Parameters { get; set; }
 
     public override string ToString()
         => $"{Name}: {Description} ({Parameters.Count} Parameters)";
diff --git a/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingItem.cs b/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingItem.cs
index 8ea5269d..ca632ee1 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingItem.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Routing/Models/RoutingItem.cs
@@ -13,6 +13,6 @@ public class RoutingItem
     [JsonPropertyName("description")]
     public string Description { get; set; } = string.Empty;
 
-    [JsonPropertyName("required_fields")]
-    public List<ParameterPropertyDef> RequiredFields { get; set; } = new List<ParameterPropertyDef>();
+    [JsonPropertyName("fields")]
+    public List<ParameterPropertyDef> Fields { get; set; } = new List<ParameterPropertyDef>();
 }
diff --git a/src/Infrastructure/BotSharp.Abstraction/Routing/Settings/RoutingSettings.cs b/src/Infrastructure/BotSharp.Abstraction/Routing/Settings/RoutingSettings.cs
index 39338b13..62a6ae4a 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Routing/Settings/RoutingSettings.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Routing/Settings/RoutingSettings.cs
@@ -7,9 +7,7 @@ public class RoutingSettings
     /// </summary>
     public string RouterId { get; set; } = string.Empty;
 
-    public bool EnableReasoning {  get; set; } = false;
-    public bool UseTextCompletion {  get; set; } = false;
-
+    public string Planner { get; set; } = string.Empty;
     public string Provider {  get; set; } = string.Empty;
 
     public string Model { get; set; } = string.Empty;
diff --git a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs
index 5912b1e0..45d3b76d 100644
--- a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs
+++ b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs
@@ -4,14 +4,16 @@ namespace BotSharp.Core.Agents.Services;
 
 public partial class AgentService
 {
-    [MemoryCache(10 * 60, PerInstanceCache = true)]
+    [MemoryCache(10 * 60)]
     public async Task<List<Agent>> GetAgents(bool? allowRouting = null)
     {
         var agents = _db.GetAgents(allowRouting: allowRouting);
         return await Task.FromResult(agents);
     }
 
-    [MemoryCache(10 * 60, PerInstanceCache = true)]
+#if !DEBUG
+    [MemoryCache(10 * 60)]
+#endif
     public async Task<Agent> GetAgent(string id)
     {
         var profile = _db.GetAgent(id);
diff --git a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.LoadAgent.cs b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.LoadAgent.cs
index 301da3b7..1b7a6e99 100644
--- a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.LoadAgent.cs
+++ b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.LoadAgent.cs
@@ -27,8 +27,10 @@ public partial class AgentService
             throw new Exception($"Can't load agent by id: {id}");
         }
 
-        var templateDict = new Dictionary<string, object>();
-        PopulateState(templateDict);
+        agent.TemplateDict = new Dictionary<string, object>();
+
+        // Populate state into dictionary
+        PopulateState(agent.TemplateDict);
 
         // After agent is loaded
         foreach (var hook in hooks)
@@ -42,7 +44,7 @@ public partial class AgentService
 
             if (!string.IsNullOrEmpty(agent.Instruction))
             {
-                hook.OnInstructionLoaded(agent.Instruction, templateDict);
+                hook.OnInstructionLoaded(agent.Instruction, agent.TemplateDict);
             }
 
             if (agent.Functions != null)
@@ -58,15 +60,25 @@ public partial class AgentService
             hook.OnAgentLoaded(agent);
         }
 
-        // render liquid template
-        var render = _services.GetRequiredService<ITemplateRender>();
-        agent.Instruction = render.Render(agent.Instruction, templateDict);
-
         _logger.LogInformation($"Loaded agent {agent}.");
 
         return agent;
     }
 
+    public string RenderedTemplate(Agent agent, string templateName)
+    {
+        // render liquid template
+        var render = _services.GetRequiredService<ITemplateRender>();
+        var template = agent.Templates.First(x => x.Name == templateName).Content;
+        return render.Render(template, agent.TemplateDict);
+    }
+
+    public string RenderedInstruction(Agent agent)
+    {
+        var render = _services.GetRequiredService<ITemplateRender>();
+        return render.Render(agent.Instruction, agent.TemplateDict);
+    }
+
     private void PopulateState(Dictionary<string, object> dict)
     {
         var conv = _services.GetRequiredService<IConversationService>();
diff --git a/src/Infrastructure/BotSharp.Core/BotSharpServiceCollectionExtensions.cs b/src/Infrastructure/BotSharp.Core/BotSharpServiceCollectionExtensions.cs
index 9b64b127..757faab8 100644
--- a/src/Infrastructure/BotSharp.Core/BotSharpServiceCollectionExtensions.cs
+++ b/src/Infrastructure/BotSharp.Core/BotSharpServiceCollectionExtensions.cs
@@ -17,6 +17,8 @@ using BotSharp.Abstraction.Evaluations;
 using BotSharp.Core.Evaluatings;
 using BotSharp.Core.Evaluations;
 using BotSharp.Abstraction.MLTasks.Settings;
+using BotSharp.Abstraction.Planning;
+using BotSharp.Core.Planning;
 
 namespace BotSharp.Core;
 
@@ -68,6 +70,18 @@ public static class BotSharpServiceCollectionExtensions
         config.Bind("Router", routingSettings);
         services.AddSingleton((IServiceProvider x) => routingSettings);
 
+        services.AddScoped<NaivePlanner>();
+        services.AddScoped<FeedbackReasoningPlanner>();
+        services.AddScoped<IPlaner>(provider =>
+        {
+            if (routingSettings.Planner == "NaivePlanner")
+                return provider.GetRequiredService<NaivePlanner>();
+            else if (routingSettings.Planner == "FeedbackReasoningPlanner")
+                return provider.GetRequiredService<FeedbackReasoningPlanner>();
+            throw new NotImplementedException();
+        });
+
+        services.AddScoped<IExecutor, InstructExecutor>();
         services.AddScoped<IRouterInstance, RouterInstance>();
         services.AddScoped<IRoutingService, RoutingService>();
 
diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
index 387a18e7..63972742 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
@@ -20,7 +20,7 @@ public partial class ConversationService
 
         var content = $"Received [{agent.Name}] {message.Role}: {message.Content}";
 #if DEBUG
-        Console.WriteLine(content, Color.OrangeRed);
+        Console.WriteLine(content, Color.GreenYellow);
 #else
         _logger.LogInformation(content);
 #endif
diff --git a/src/Infrastructure/BotSharp.Core/Instructs/InstructService.cs b/src/Infrastructure/BotSharp.Core/Instructs/InstructService.cs
index 8ee49eac..e135afed 100644
--- a/src/Infrastructure/BotSharp.Core/Instructs/InstructService.cs
+++ b/src/Infrastructure/BotSharp.Core/Instructs/InstructService.cs
@@ -1,7 +1,6 @@
 using BotSharp.Abstraction.Agents.Models;
 using BotSharp.Abstraction.Instructs;
 using BotSharp.Abstraction.Instructs.Models;
-
 namespace BotSharp.Core.Instructs;
 
 public partial class InstructService : IInstructService
@@ -15,13 +14,13 @@ public partial class InstructService : IInstructService
         _logger = logger;
     }
 
-    public async Task<InstructResult> Execute(Agent agent, RoleDialogModel message)
+    public async Task<InstructResult> Execute(string agentId, RoleDialogModel message, string? templateName = null)
     {
         // Trigger before completion hooks
         var hooks = _services.GetServices<IInstructHook>();
         foreach (var hook in hooks)
         {
-            if (!string.IsNullOrEmpty(hook.SelfId) && hook.SelfId != agent.Id)
+            if (!string.IsNullOrEmpty(hook.SelfId) && hook.SelfId != agentId)
             {
                 continue;
             }
@@ -39,8 +38,15 @@ public partial class InstructService : IInstructService
             }
         }
 
+        // Render prompt
+        var agentService = _services.GetRequiredService<IAgentService>();
+        Agent agent = await agentService.LoadAgent(agentId);
+        var prompt = string.IsNullOrEmpty(templateName) ? 
+            agentService.RenderedInstruction(agent) :
+            agentService.RenderedTemplate(agent, templateName);
+
         var completer = CompletionProvider.GetTextCompletion(_services);
-        var result = await completer.GetCompletion(agent.Instruction);
+        var result = await completer.GetCompletion(prompt);
         var response = new InstructResult
         {
             MessageId = message.MessageId,
@@ -49,7 +55,7 @@ public partial class InstructService : IInstructService
 
         foreach (var hook in hooks)
         {
-            if (!string.IsNullOrEmpty(hook.SelfId) && hook.SelfId != agent.Id)
+            if (!string.IsNullOrEmpty(hook.SelfId) && hook.SelfId != agentId)
             {
                 continue;
             }
diff --git a/src/Infrastructure/BotSharp.Core/Planning/FeedbackReasoningPlanner.cs b/src/Infrastructure/BotSharp.Core/Planning/FeedbackReasoningPlanner.cs
new file mode 100644
index 00000000..156cb590
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Core/Planning/FeedbackReasoningPlanner.cs
@@ -0,0 +1,75 @@
+using BotSharp.Abstraction.Agents.Models;
+using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Planning;
+using BotSharp.Abstraction.Templating;
+
+namespace BotSharp.Core.Planning;
+
+public class FeedbackReasoningPlanner : IPlaner
+{
+    private readonly IServiceProvider _services;
+    private readonly ILogger _logger;
+
+    public FeedbackReasoningPlanner(IServiceProvider services, ILogger<FeedbackReasoningPlanner> logger)
+    {
+        _services = services;
+        _logger = logger;
+    }
+
+    public async Task<FunctionCallFromLlm> GetNextInstruction(Agent router, string conversation)
+    {
+        var next = GetNextStepPrompt(router);
+
+        RoleDialogModel response = default;
+        var inst = new FunctionCallFromLlm();
+
+        var content = $"{conversation}\r\n###\r\n{next}";
+
+        var completion = CompletionProvider.GetChatCompletion(_services,
+            model: "llm-gpt4");
+
+        int retryCount = 0;
+        while (retryCount < 3)
+        {
+            try
+            {
+                response = completion.GetChatCompletions(router, new List<RoleDialogModel>
+                {
+                    new RoleDialogModel(AgentRole.User, content)
+                });
+
+                inst = response.Content.JsonContent<FunctionCallFromLlm>();
+                break;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError($"{ex.Message}: {response.Content}");
+                inst.Function = "response_to_user";
+                inst.Response = ex.Message;
+                inst.AgentName = "Router";
+            }
+            finally
+            {
+                retryCount++;
+            }
+        }
+
+        return inst;
+    }
+
+    public async Task<bool> AgentExecuted(FunctionCallFromLlm inst, RoleDialogModel message)
+    {
+        inst.AgentName = null;
+        return true;
+    }
+
+    private string GetNextStepPrompt(Agent router)
+    {
+        var template = router.Templates.First(x => x.Name == "next_step_prompt").Content;
+
+        var render = _services.GetRequiredService<ITemplateRender>();
+        return render.Render(template, new Dictionary<string, object>
+        {
+        });
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Core/Planning/InstructExecutor.cs b/src/Infrastructure/BotSharp.Core/Planning/InstructExecutor.cs
new file mode 100644
index 00000000..c6588ef8
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Core/Planning/InstructExecutor.cs
@@ -0,0 +1,45 @@
+using BotSharp.Abstraction.Agents.Models;
+using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Planning;
+using BotSharp.Abstraction.Routing;
+
+namespace BotSharp.Core.Planning;
+
+public class InstructExecutor : IExecutor
+{
+    private readonly IServiceProvider _services;
+    private readonly ILogger _logger;
+
+    public InstructExecutor(IServiceProvider services, ILogger<InstructExecutor> logger)
+    {
+        _services = services;
+        _logger = logger;
+    }
+
+    public async Task<bool> Execute(IRoutingService routing,
+        Agent router,
+        FunctionCallFromLlm inst,
+        List<RoleDialogModel> dialogs,
+        RoleDialogModel message)
+    {
+        // Set user content as Planner's question
+        inst.Question = message.Content;
+        message.Instruction = inst;
+
+        var handlers = _services.GetServices<IRoutingHandler>();
+
+        var handler = handlers.FirstOrDefault(x => x.Name == inst.Function);
+        handler.SetRouter(router);
+        handler.SetDialogs(dialogs);
+
+        message.FunctionName = inst.Function;
+        message.Role = AgentRole.Function;
+        message.FunctionArgs = inst.Arguments == null ? "{}" : JsonSerializer.Serialize(inst.Arguments);
+
+        var handled = await handler.Handle(routing, inst, message);
+
+        inst.Response = message.Content;
+
+        return handled;
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Core/Planning/NaivePlanner.cs b/src/Infrastructure/BotSharp.Core/Planning/NaivePlanner.cs
new file mode 100644
index 00000000..c9aaf783
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Core/Planning/NaivePlanner.cs
@@ -0,0 +1,76 @@
+using BotSharp.Abstraction.Agents.Models;
+using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Planning;
+using BotSharp.Abstraction.Templating;
+
+namespace BotSharp.Core.Planning;
+
+public class NaivePlanner : IPlaner
+{
+    private readonly IServiceProvider _services;
+    private readonly ILogger _logger;
+
+    public NaivePlanner(IServiceProvider services, ILogger<NaivePlanner> logger)
+    {
+        _services = services;
+        _logger = logger;
+    }
+
+    public async Task<FunctionCallFromLlm> GetNextInstruction(Agent router, string conversation)
+    {
+        var next = GetNextStepPrompt(router);
+
+        RoleDialogModel response = default;
+        var inst = new FunctionCallFromLlm();
+
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var instruction = agentService.RenderedInstruction(router);
+        var content = $"{instruction}\r\n{conversation}\r\n###\r\n{next}";
+
+        // text completion
+        content =  content + "\r\nResponse: ";
+
+        var completion = CompletionProvider.GetTextCompletion(_services);
+
+        int retryCount = 0;
+        while (retryCount < 3)
+        {
+            try
+            {
+                var text = await completion.GetCompletion(content);
+                response = new RoleDialogModel(AgentRole.Assistant, text);
+                inst = response.Content.JsonContent<FunctionCallFromLlm>();
+                break;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError($"{ex.Message}: {response.Content}");
+                inst.Function = "response_to_user";
+                inst.Response = ex.Message;
+                inst.AgentName = "Router";
+            }
+            finally
+            {
+                retryCount++;
+            }
+        }
+         
+        return inst;
+    }
+
+    public async Task<bool> AgentExecuted(FunctionCallFromLlm inst, RoleDialogModel message)
+    {
+        inst.AgentName = null;
+        return true;
+    }
+
+    private string GetNextStepPrompt(Agent router)
+    {
+        var template = router.Templates.First(x => x.Name == "next_step_prompt").Content;
+
+        var render = _services.GetRequiredService<ITemplateRender>();
+        return render.Render(template, new Dictionary<string, object>
+        {
+        });
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/ContinueExecuteTaskRoutingHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/ContinueExecuteTaskRoutingHandler.cs
index 1c809ef4..10724208 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/ContinueExecuteTaskRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/ContinueExecuteTaskRoutingHandler.cs
@@ -12,14 +12,20 @@ public class ContinueExecuteTaskRoutingHandler : RoutingHandlerBase, IRoutingHan
 
     public string Description => "Continue to execute user's request without further information retrival.";
 
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("agent", "the name of the agent"),
-        new NameDesc("args", "required parameters extracted from question"),
-        new NameDesc("reason", "why continue to execute current task")
+        new ParameterPropertyDef("agent", "the name of the agent"),
+        new ParameterPropertyDef("reason", "why continue to execute current task"),
+        new ParameterPropertyDef("args", "required parameters extracted from question")
+        {
+            Type = "object"
+        }
     };
 
-    public bool IsReasoning => true;
+    public List<string> Planers => new List<string>
+    {
+        "FeedbackReasoningPlanner"
+    };
 
     public ContinueExecuteTaskRoutingHandler(IServiceProvider services, ILogger<ContinueExecuteTaskRoutingHandler> logger, RoutingSettings settings) 
         : base(services, logger, settings)
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/ConversationEndRoutingHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/ConversationEndRoutingHandler.cs
index 97eafa46..754016d0 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/ConversationEndRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/ConversationEndRoutingHandler.cs
@@ -11,12 +11,10 @@ public class ConversationEndRoutingHandler : RoutingHandlerBase, IRoutingHandler
 
     public string Description => "User completed his task and wants to end the conversation.";
 
-    public bool IsReasoning => false;
-
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("reason", "why end conversation"),
-        new NameDesc("response", "response content to user")
+        new ParameterPropertyDef("reason", "why end conversation"),
+        new ParameterPropertyDef("response", "response content to user")
     };
 
     public ConversationEndRoutingHandler(IServiceProvider services, ILogger<ConversationEndRoutingHandler> logger, RoutingSettings settings) 
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/HumanInterventionNeededHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/HumanInterventionNeededHandler.cs
index 671dc644..612f6722 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/HumanInterventionNeededHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/HumanInterventionNeededHandler.cs
@@ -1,5 +1,4 @@
 using BotSharp.Abstraction.Functions.Models;
-using BotSharp.Abstraction.Models;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Settings;
 
@@ -11,10 +10,10 @@ public class HumanInterventionNeededHandler : RoutingHandlerBase, IRoutingHandle
 
     public string Description => "Reach out to human being, customer service or customer representative.";
 
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("reason", "why need customer service"),
-        new NameDesc("response", "response content to user")
+        new ParameterPropertyDef("reason", "why need customer service"),
+        new ParameterPropertyDef("response", "response content to user")
     };
 
     public HumanInterventionNeededHandler(IServiceProvider services, ILogger<HumanInterventionNeededHandler> logger, RoutingSettings settings)
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/InterruptTaskExecutionRoutingHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/InterruptTaskExecutionRoutingHandler.cs
index 76d18be3..9932777d 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/InterruptTaskExecutionRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/InterruptTaskExecutionRoutingHandler.cs
@@ -1,5 +1,4 @@
 using BotSharp.Abstraction.Functions.Models;
-using BotSharp.Abstraction.Models;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Settings;
 
@@ -11,13 +10,16 @@ public class InterruptTaskExecutionRoutingHandler : RoutingHandlerBase, IRouting
 
     public string Description => "Can't continue user's request becauase the requirements are not met.";
 
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("reason", "the reason why the request is interrupted"),
-        new NameDesc("answer", "the content response to user")
+        new ParameterPropertyDef("reason", "the reason why the request is interrupted"),
+        new ParameterPropertyDef("answer", "the content response to user")
     };
 
-    public bool IsReasoning => true;
+    public List<string> Planers => new List<string>
+    {
+        "FeedbackReasoningPlanner"
+    };
 
     public InterruptTaskExecutionRoutingHandler(IServiceProvider services, ILogger<InterruptTaskExecutionRoutingHandler> logger, RoutingSettings settings) 
         : base(services, logger, settings)
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/ResponseToUserRoutingHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/ResponseToUserRoutingHandler.cs
index cb480e56..b4e399a7 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/ResponseToUserRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/ResponseToUserRoutingHandler.cs
@@ -11,12 +11,10 @@ public class ResponseToUserRoutingHandler : RoutingHandlerBase, IRoutingHandler
 
     public string Description => "Response according to the context without asking specific agent.";
 
-    public bool IsReasoning => false;
-
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("reason", "why response to user"),
-        new NameDesc("response", "response content")
+        new ParameterPropertyDef("reason", "why response to user"),
+        new ParameterPropertyDef("response", "response content")
     };
 
     public ResponseToUserRoutingHandler(IServiceProvider services, ILogger<ResponseToUserRoutingHandler> logger, RoutingSettings settings) 
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/RetrieveDataFromAgentRoutingHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/RetrieveDataFromAgentRoutingHandler.cs
index 3b30c19d..aa2cbce3 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/RetrieveDataFromAgentRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/RetrieveDataFromAgentRoutingHandler.cs
@@ -1,5 +1,4 @@
 using BotSharp.Abstraction.Functions.Models;
-using BotSharp.Abstraction.Models;
 using BotSharp.Abstraction.Repositories;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Settings;
@@ -12,15 +11,21 @@ public class RetrieveDataFromAgentRoutingHandler : RoutingHandlerBase, IRoutingH
 
     public string Description => "Retrieve data from appropriate agent.";
 
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("agent", "the name of the agent"),
-        new NameDesc("question", "the question you will ask the agent to get the necessary data"),
-        new NameDesc("reason", "why retrieve data"),
-        new NameDesc("args", "required parameters extracted from question and hand over to the next agent")
+        new ParameterPropertyDef("agent", "the name of the agent"),
+        new ParameterPropertyDef("question", "the question you will ask the agent to get the necessary data"),
+        new ParameterPropertyDef("reason", "why retrieve data"),
+        new ParameterPropertyDef("args", "required parameters extracted from question and hand over to the next agent")
+        {
+            Type = "object"
+        }
     };
 
-    public bool IsReasoning => true;
+    public List<string> Planers => new List<string>
+    {
+        "FeedbackReasoningPlanner"
+    };
 
     public RetrieveDataFromAgentRoutingHandler(IServiceProvider services, ILogger<RetrieveDataFromAgentRoutingHandler> logger, RoutingSettings settings) 
         : base(services, logger, settings)
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/RouteToAgentRoutingHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/RouteToAgentRoutingHandler.cs
index daa4e734..cd614e91 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/RouteToAgentRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/RouteToAgentRoutingHandler.cs
@@ -1,6 +1,5 @@
 using BotSharp.Abstraction.Functions;
 using BotSharp.Abstraction.Functions.Models;
-using BotSharp.Abstraction.Models;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Models;
 using BotSharp.Abstraction.Routing.Settings;
@@ -13,16 +12,17 @@ public class RouteToAgentRoutingHandler : RoutingHandlerBase, IRoutingHandler
 
     public string Description => "Route request to appropriate agent.";
 
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("reason", "why route to agent"),
-        new NameDesc("next_action_agent", "agent for next action based on user latest response"),
-        new NameDesc("user_goal_agent", "agent who can achieve user original goal"),
-        new NameDesc("args", "useful parameters of next action agent")
+        new ParameterPropertyDef("reason", "why route to agent"),
+        new ParameterPropertyDef("next_action_agent", "agent for next action based on user latest response"),
+        new ParameterPropertyDef("user_goal_agent", "agent who can achieve user original goal"),
+        new ParameterPropertyDef("args", "useful parameters of next action agent, format: { }")
+        {
+            Type = "object"
+        }
     };
 
-    public bool IsReasoning => false;
-
     public RouteToAgentRoutingHandler(IServiceProvider services, ILogger<RouteToAgentRoutingHandler> logger, RoutingSettings settings) 
         : base(services, logger, settings)
     {
diff --git a/src/Infrastructure/BotSharp.Core/Routing/Handlers/TaskEndRoutingHandler.cs b/src/Infrastructure/BotSharp.Core/Routing/Handlers/TaskEndRoutingHandler.cs
index edb2cfc9..656302e5 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/Handlers/TaskEndRoutingHandler.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/Handlers/TaskEndRoutingHandler.cs
@@ -1,5 +1,4 @@
 using BotSharp.Abstraction.Functions.Models;
-using BotSharp.Abstraction.Models;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Settings;
 
@@ -11,12 +10,15 @@ public class TaskEndRoutingHandler : RoutingHandlerBase, IRoutingHandler
 
     public string Description => "Call this function when current task is completed.";
 
-    public List<NameDesc> Parameters => new List<NameDesc>
+    public List<ParameterPropertyDef> Parameters => new List<ParameterPropertyDef>
     {
-        new NameDesc("abandoned_arguments", "the arguments next task can't reuse")
+        new ParameterPropertyDef("abandoned_arguments", "the arguments next task can't reuse")
     };
 
-    public bool IsReasoning => true;
+    public List<string> Planers => new List<string>
+    {
+        "FeedbackReasoningPlanner"
+    };
 
     public TaskEndRoutingHandler(IServiceProvider services, ILogger<TaskEndRoutingHandler> logger, RoutingSettings settings) 
         : base(services, logger, settings)
diff --git a/src/Infrastructure/BotSharp.Core/Routing/RouterInstance.cs b/src/Infrastructure/BotSharp.Core/Routing/RouterInstance.cs
index 2ee8e023..1c6f4e54 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/RouterInstance.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/RouterInstance.cs
@@ -1,6 +1,6 @@
 using BotSharp.Abstraction.Agents.Models;
 using BotSharp.Abstraction.Functions.Models;
-using BotSharp.Abstraction.Models;
+using BotSharp.Abstraction.Planning;
 using BotSharp.Abstraction.Repositories;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Models;
@@ -36,8 +36,10 @@ public class RouterInstance : IRouterInstance
 
     public List<RoutingHandlerDef> GetHandlers()
     {
+        var planer = _services.GetRequiredService<IPlaner>();
+
         return _services.GetServices<IRoutingHandler>()
-            .Where(x => x.IsReasoning == _settings.EnableReasoning)
+            .Where(x => x.Planers == null || x.Planers.Contains(planer.GetType().Name))
             .Where(x => !string.IsNullOrEmpty(x.Description))
             .Select((x, i) => new RoutingHandlerDef
             {
@@ -90,10 +92,11 @@ public class RouterInstance : IRouterInstance
             AgentId = x.Id,
             Description = x.Description,
             Name = x.Name,
-            RequiredFields = x.RoutingRules
-                .Where(x => x.Required)
-                .Select(p => new ParameterPropertyDef(p.Field, p.Description, type: p.Type))
-                .ToList()
+            Fields = x.RoutingRules
+                .Select(p => new ParameterPropertyDef(p.Field, p.Description, type: p.Type)
+                {
+                    Required = p.Required
+                }).ToList()
         }).ToArray();
     }
 
diff --git a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.FixMalformedResponse.cs b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.FixMalformedResponse.cs
new file mode 100644
index 00000000..1818924c
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.FixMalformedResponse.cs
@@ -0,0 +1,56 @@
+using BotSharp.Abstraction.Functions.Models;
+
+namespace BotSharp.Core.Routing;
+
+public partial class RoutingService
+{
+    /// <summary>
+    /// Sometimes LLM hallucinates and fails to set function names correctly.
+    /// </summary>
+    /// <param name="args"></param>
+    private void FixMalformedResponse(FunctionCallFromLlm args)
+    {
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var agents = agentService.GetAgents(allowRouting: true).Result;
+        var malformed = false;
+
+        // Sometimes it populate malformed Function in Agent name
+        if (!string.IsNullOrEmpty(args.Function) && 
+            args.Function == args.AgentName)
+        {
+            args.Function = "route_to_agent";
+            malformed = true;
+        }
+
+        // Another case of malformed response
+        if (string.IsNullOrEmpty(args.AgentName) && 
+            agents.Select(x => x.Name).Contains(args.Function))
+        {
+            args.AgentName = args.Function;
+            args.Function = "route_to_agent";
+            malformed = true;
+        }
+
+        // It should be Route to agent, but it is used as Response to user.
+        if (!string.IsNullOrEmpty(args.AgentName) &&
+            agents.Select(x => x.Name).Contains(args.AgentName) &&
+            args.Function != "route_to_agent")
+        {
+            args.Function = "route_to_agent";
+            malformed = true;
+        }
+
+        // Function name shouldn't contain dot symbol
+        if (!string.IsNullOrEmpty(args.Function) &&
+            args.Function.Contains('.'))
+        {
+            args.Function = args.Function.Split('.').Last();
+            malformed = true;
+        }
+
+        if (malformed)
+        {
+            _logger.LogWarning($"Captured LLM malformed response");
+        }
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.GetConversationContent.cs b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.GetConversationContent.cs
new file mode 100644
index 00000000..bd883314
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.GetConversationContent.cs
@@ -0,0 +1,24 @@
+namespace BotSharp.Core.Routing;
+
+public partial class RoutingService
+{
+    public async Task<string> GetConversationContent(List<RoleDialogModel> dialogs, int maxDialogCount = 50)
+    {
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var conversation = "";
+
+        foreach (var dialog in dialogs.TakeLast(maxDialogCount))
+        {
+            var role = dialog.Role;
+            if (role != AgentRole.User)
+            {
+                var agent = await agentService.GetAgent(dialog.CurrentAgentId);
+                role = agent.Name;
+            }
+
+            conversation += $"{role}: {dialog.Content}\r\n";
+        }
+
+        return conversation;
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.GetNextInstruction.cs b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.GetNextInstruction.cs
deleted file mode 100644
index e217dd89..00000000
--- a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.GetNextInstruction.cs
+++ /dev/null
@@ -1,187 +0,0 @@
-using BotSharp.Abstraction.Functions.Models;
-using BotSharp.Abstraction.Templating;
-using System.Drawing;
-using System.Text.RegularExpressions;
-namespace BotSharp.Core.Routing;
-
-public partial class RoutingService
-{
-    public async Task<FunctionCallFromLlm> GetNextInstruction()
-    {
-        var content = GetNextStepPrompt();
-
-        RoleDialogModel response = default;
-        var args = new FunctionCallFromLlm();
-
-        if (_settings.UseTextCompletion)
-        {
-            var completion = CompletionProvider.GetTextCompletion(_services,
-                provider: _settings.Provider,
-                model: _settings.Model);
-
-            content = _routerInstance.Router.Instruction + "\r\n\r\n" + content + "\r\nResponse: ";
-
-            int retryCount = 0;
-
-            while (retryCount < 3)
-            {
-                try
-                {
-                    var text = await completion.GetCompletion(content);
-                    response = new RoleDialogModel(AgentRole.Assistant, text);
-
-                    var pattern = @"\{(?:[^{}]|(?<open>\{)|(?<-open>\}))+(?(open)(?!))\}";
-                    response.Content = Regex.Match(response.Content, pattern).Value;
-                    args = JsonSerializer.Deserialize<FunctionCallFromLlm>(response.Content);
-                    break;
-                }
-                catch (Exception ex)
-                {
-                    _logger.LogError($"{ex.Message}: {response.Content}");
-                    args.Function = "response_to_user";
-                    args.Response = ex.Message;
-                    args.AgentName = "Router";
-                    content += "\r\nPlease response in JSON format.";
-                }
-                finally
-                {
-                    retryCount++;
-                }
-            }
-        }
-        else
-        {
-            var completion = CompletionProvider.GetChatCompletion(_services,
-                provider: _settings.Provider,
-                model: _settings.Model);
-
-            int retryCount = 0;
-            var agentService = _services.GetRequiredService<IAgentService>();
-            var dialogs = Dialogs;
-
-            while (retryCount < 3)
-            {
-                try
-                {
-                    var conversation = "";
-
-                    foreach (var dialog in dialogs.TakeLast(50))
-                    {
-                        var role = dialog.Role;
-                        if (role != AgentRole.User)
-                        {
-                            var agent = await agentService.GetAgent(dialog.CurrentAgentId);
-                            role = agent.Name;
-                        }
-                        
-                        conversation += $"{role}: {dialog.Content}\r\n";
-                    }
-                    content = $"{conversation}\r\n###\r\n{content}";
-
-                    response = completion.GetChatCompletions(_routerInstance.Router, new List<RoleDialogModel>
-                    {
-                        new RoleDialogModel(AgentRole.User, content)
-                    });
-
-                    args = response.Content.JsonContent<FunctionCallFromLlm>();
-                    break;
-                }
-                catch (Exception ex)
-                {
-                    _logger.LogError($"{ex.Message}: {response.Content}");
-                    args.Function = "response_to_user";
-                    args.Response = ex.Message;
-                    args.AgentName = "Router";
-                    content += "\r\nPlease response in JSON format.";
-                }
-                finally 
-                { 
-                    retryCount++; 
-                }
-            }
-        }
-
-#if DEBUG
-        Console.WriteLine(response.Content, Color.Green);
-#else
-        _logger.LogInformation(response.Content);
-#endif
-
-        // Fix LLM malformed response
-        FixMalformedResponse(args);
-
-        SaveStateByArgs(args.Arguments);
-
-#if DEBUG
-        Console.WriteLine($"*** Next Instruction *** {args}", Color.Green);
-#else
-        _logger.LogInformation($"*** Next Instruction *** {args}");
-#endif
-
-        return args;
-    }
-
-    private string GetNextStepPrompt()
-    {
-        var template = _routerInstance.Router.Templates.First(x => x.Name == "next_step_prompt").Content;
-
-        // If enabled reasoning
-        // JsonSerializer.Serialize(new FunctionCallFromLlm());
-
-        var render = _services.GetRequiredService<ITemplateRender>();
-        return render.Render(template, new Dictionary<string, object>
-        {
-            { "enabled_reasoning", _settings.EnableReasoning }
-        });
-    }
-
-    /// <summary>
-    /// Sometimes LLM hallucinates and fails to set function names correctly.
-    /// </summary>
-    /// <param name="args"></param>
-    private void FixMalformedResponse(FunctionCallFromLlm args)
-    {
-        var agentService = _services.GetRequiredService<IAgentService>();
-        var agents = agentService.GetAgents(allowRouting: true).Result;
-        var malformed = false;
-
-        // Sometimes it populate malformed Function in Agent name
-        if (!string.IsNullOrEmpty(args.Function) && 
-            args.Function == args.AgentName)
-        {
-            args.Function = "route_to_agent";
-            malformed = true;
-        }
-
-        // Another case of malformed response
-        if (string.IsNullOrEmpty(args.AgentName) && 
-            agents.Select(x => x.Name).Contains(args.Function))
-        {
-            args.AgentName = args.Function;
-            args.Function = "route_to_agent";
-            malformed = true;
-        }
-
-        // It should be Route to agent, but it is used as Response to user.
-        if (!string.IsNullOrEmpty(args.AgentName) &&
-            agents.Select(x => x.Name).Contains(args.AgentName) &&
-            args.Function != "route_to_agent")
-        {
-            args.Function = "route_to_agent";
-            malformed = true;
-        }
-
-        // Function name shouldn't contain dot symbol
-        if (!string.IsNullOrEmpty(args.Function) &&
-            args.Function.Contains('.'))
-        {
-            args.Function = args.Function.Split('.').Last();
-            malformed = true;
-        }
-
-        if (malformed)
-        {
-            _logger.LogWarning($"Captured LLM malformed response");
-        }
-    }
-}
diff --git a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.cs b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.cs
index b7073f04..25d4732b 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.cs
@@ -1,7 +1,9 @@
 using BotSharp.Abstraction.Agents.Models;
 using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Planning;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Settings;
+using System.Drawing;
 
 namespace BotSharp.Core.Routing;
 
@@ -69,7 +71,8 @@ public partial class RoutingService : IRoutingService
         _routerInstance.Load();
         var router = _routerInstance.Router;
 
-        var handlers = _services.GetServices<IRoutingHandler>();
+        var planner = _services.GetRequiredService<IPlaner>();
+        var executor = _services.GetRequiredService<IExecutor>();
 
         int loopCount = 0;
         var stop = false;
@@ -77,28 +80,33 @@ public partial class RoutingService : IRoutingService
         {
             loopCount++;
 
-            var inst = await GetNextInstruction();
-            message.Instruction = inst;
-            inst.Question = message.Content;
+            var conversation = await GetConversationContent(Dialogs);
 
-            var handler = handlers.FirstOrDefault(x => x.Name == inst.Function);
-            if (handler == null)
+            // Get instruction from Planner
+            var inst = await planner.GetNextInstruction(router, conversation);
+
+            // Fix LLM malformed response
+            FixMalformedResponse(inst);
+
+            // Save states
+            SaveStateByArgs(inst.Arguments);
+
+#if DEBUG
+            Console.WriteLine($"*** Next Instruction *** {inst}", Color.GreenYellow);
+#else
+            _logger.LogInformation($"*** Next Instruction *** {inst}");
+#endif
+
+            // Handle instruction by Executor
+            var executed = await executor.Execute(this, router, inst, Dialogs, message);
+
+            await planner.AgentExecuted(inst, message);
+
+            // There is no need for the agent to continue processing, indicating that the task has been completed.
+            if (inst.AgentName == null)
             {
-                handler = handlers.FirstOrDefault(x => x.Name == "get_next_instruction");
-                continue;
+                break;
             }
-            handler.SetRouter(router);
-            handler.SetDialogs(Dialogs);
-
-            message.FunctionName = inst.Function;
-            message.Role = AgentRole.Function;
-            message.FunctionArgs = inst.Arguments == null ? "{}" : JsonSerializer.Serialize(inst.Arguments);
-            
-            await handler.Handle(this, inst, message);
-
-            inst.Response = message.Content;
-
-            stop = !_settings.EnableReasoning;
         }
 
         return true;
diff --git a/src/Infrastructure/BotSharp.Core/Templating/TemplateRender.cs b/src/Infrastructure/BotSharp.Core/Templating/TemplateRender.cs
index 64a8608f..3aba223f 100644
--- a/src/Infrastructure/BotSharp.Core/Templating/TemplateRender.cs
+++ b/src/Infrastructure/BotSharp.Core/Templating/TemplateRender.cs
@@ -39,6 +39,7 @@ public class TemplateRender : ITemplateRender
         }
         else
         {
+            _logger.LogWarning(error);
             return template;
         }
     }
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs
index c34bf42a..3af20b6c 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs
@@ -31,23 +31,10 @@ public class InstructModeController : ControllerBase, IApiAdapter
             .SetState("model", input.Model)
             .SetState("input_text", input.Text);
 
-        var agentService = _services.GetRequiredService<IAgentService>();
-        Agent agent = await agentService.LoadAgent(agentId);
-
-        // switch to different instruction template
-        if (!string.IsNullOrEmpty(input.Template))
-        {
-            var template = agent.Templates.First(x => x.Name == input.Template).Content;
-            var render = _services.GetRequiredService<ITemplateRender>();
-            var dict = new Dictionary<string, object>();
-            state.GetStates().Select(x => dict[x.Key] = x.Value).ToArray();
-            var prompt = render.Render(template, dict);
-            agent.Instruction = prompt;
-        }
-
         var instructor = _services.GetRequiredService<IInstructService>();
-        var result = await instructor.Execute(agent,
-            new RoleDialogModel(AgentRole.User, input.Text));
+        var result = await instructor.Execute(agentId,
+            new RoleDialogModel(AgentRole.User, input.Text),
+            templateName: input.Template);
 
         result.States = state.GetStates();
 
diff --git a/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ChatCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ChatCompletionProvider.cs
index bd2933f3..651c2906 100644
--- a/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ChatCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ChatCompletionProvider.cs
@@ -1,5 +1,6 @@
 using Azure;
 using Azure.AI.OpenAI;
+using BotSharp.Abstraction.Agents;
 using BotSharp.Abstraction.Agents.Enums;
 using BotSharp.Abstraction.Agents.Models;
 using BotSharp.Abstraction.Conversations;
@@ -73,6 +74,12 @@ public class ChatCompletionProvider : IChatCompletion
             }
         }
 
+        var setting = _services.GetRequiredService<ConversationSetting>();
+        if (setting.ShowVerboseLog)
+        {
+            _logger.LogInformation(msg.Content);
+        }
+
         // After chat completion hook
         Task.WaitAll(hooks.Select(hook =>
             hook.AfterGenerated(msg, new TokenStatsModel
@@ -193,11 +200,14 @@ public class ChatCompletionProvider : IChatCompletion
 
     protected ChatCompletionsOptions PrepareOptions(Agent agent, List<RoleDialogModel> conversations)
     {
+        var agentService = _services.GetRequiredService<IAgentService>();
+
         var chatCompletionsOptions = new ChatCompletionsOptions();
         
         if (!string.IsNullOrEmpty(agent.Instruction))
         {
-            chatCompletionsOptions.Messages.Add(new ChatMessage(ChatRole.System, agent.Instruction));
+            var instruction = agentService.RenderedInstruction(agent);
+            chatCompletionsOptions.Messages.Add(new ChatMessage(ChatRole.System, instruction));
         }
 
         if (!string.IsNullOrEmpty(agent.Knowledges))
diff --git a/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ProviderHelper.cs b/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ProviderHelper.cs
index e3411fcc..caaa520f 100644
--- a/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ProviderHelper.cs
+++ b/src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ProviderHelper.cs
@@ -11,7 +11,7 @@ public class ProviderHelper
 {
     public static OpenAIClient GetClient(string model, AzureOpenAiSettings settings)
     {
-        if (model == "gpt-4")
+        if (model == "gpt-4" || model == "llm-gpt4")
         {
             var client = new OpenAIClient(new Uri(settings.GPT4.Endpoint), new AzureKeyCredential(settings.GPT4.ApiKey));
             return client;
diff --git a/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/ChatCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/ChatCompletionProvider.cs
index 0495799d..9733f39b 100644
--- a/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/ChatCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.GoogleAI/Providers/ChatCompletionProvider.cs
@@ -1,3 +1,4 @@
+using BotSharp.Abstraction.Agents;
 using BotSharp.Abstraction.Agents.Enums;
 using BotSharp.Abstraction.Conversations;
 using BotSharp.Plugin.GoogleAI.Settings;
@@ -35,7 +36,9 @@ public class ChatCompletionProvider : IChatCompletion
         var messages = conversations.Select(c => new PalmChatMessage(c.Content, c.Role == AgentRole.User ? "user" : "AI"))
             .ToList();
 
-        var response = client.ChatAsync(messages, agent.Instruction, null).Result;
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var instruction = agentService.RenderedInstruction(agent);
+        var response = client.ChatAsync(messages, instruction, null).Result;
 
         var message = response.Candidates.First();
         var msg = new RoleDialogModel(AgentRole.Assistant, message.Content)
diff --git a/src/Plugins/BotSharp.Plugin.HuggingFace/Providers/ChatCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.HuggingFace/Providers/ChatCompletionProvider.cs
index db6daf4f..8756c7b5 100644
--- a/src/Plugins/BotSharp.Plugin.HuggingFace/Providers/ChatCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.HuggingFace/Providers/ChatCompletionProvider.cs
@@ -1,3 +1,4 @@
+using BotSharp.Abstraction.Agents;
 using BotSharp.Abstraction.Agents.Enums;
 using BotSharp.Abstraction.Conversations.Settings;
 using BotSharp.Plugin.HuggingFace.Services;
@@ -97,7 +98,9 @@ public class ChatCompletionProvider : IChatCompletion
         var content = string.Join("\r\n", conversations.Select(x => $"{AgentRole.System}: {x.Content}")).Trim();
         content += $"\r\n{AgentRole.Assistant}: ";
 
-        var prompt = agent.Instruction + "\r\n" + content;
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var instruction = agentService.RenderedInstruction(agent);
+        var prompt = instruction + "\r\n" + content;
 
         var convSetting = _services.GetRequiredService<ConversationSetting>();
         if (convSetting.ShowVerboseLog)
diff --git a/src/Plugins/BotSharp.Plugin.LLamaSharp/Providers/ChatCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.LLamaSharp/Providers/ChatCompletionProvider.cs
index adf452e0..9dc0d7e5 100644
--- a/src/Plugins/BotSharp.Plugin.LLamaSharp/Providers/ChatCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.LLamaSharp/Providers/ChatCompletionProvider.cs
@@ -1,3 +1,5 @@
+using BotSharp.Abstraction.Agents;
+
 namespace BotSharp.Plugin.LLamaSharp.Providers;
 
 public class ChatCompletionProvider : IChatCompletion
@@ -42,7 +44,9 @@ public class ChatCompletionProvider : IChatCompletion
 
         string totalResponse = "";
 
-        var prompt = agent.Instruction + "\r\n" + content;
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var instruction = agentService.RenderedInstruction(agent);
+        var prompt = instruction + "\r\n" + content;
 
         var convSetting = _services.GetRequiredService<ConversationSetting>();
         if (convSetting.ShowVerboseLog)
diff --git a/src/WebStarter/appsettings.json b/src/WebStarter/appsettings.json
index 318c4298..ed51f673 100644
--- a/src/WebStarter/appsettings.json
+++ b/src/WebStarter/appsettings.json
@@ -15,8 +15,7 @@
 
   "Router": {
     "RouterId": "01fcc3e5-9af7-49e6-ad7a-a760bd12dc4a",
-    "UseTextCompletion": false,
-    "EnableReasoning": false,
+    "Planner": "NaivePlanner",
     "Provider": "azure-openai",
     "Model": "gpt-3.5-turbo"
   },
diff --git a/src/WebStarter/data/agents/01fcc3e5-9af7-49e6-ad7a-a760bd12dc4a/instruction.liquid b/src/WebStarter/data/agents/01fcc3e5-9af7-49e6-ad7a-a760bd12dc4a/instruction.liquid
index 67cd6d1a..7b4d552d 100644
--- a/src/WebStarter/data/agents/01fcc3e5-9af7-49e6-ad7a-a760bd12dc4a/instruction.liquid
+++ b/src/WebStarter/data/agents/01fcc3e5-9af7-49e6-ad7a-a760bd12dc4a/instruction.liquid
@@ -9,23 +9,24 @@ You're {{router.name}} ({{router.description}}). Follow these steps to handle us
 {% for handler in routing_handlers %}
 # {{ handler.description}}
 {% if handler.parameters and handler.parameters != empty -%}
-Response: { "function": "{{ handler.name }}",
+Parameters: 
+    - function: {{ handler.name }}
     {% for p in handler.parameters -%}
-    "{{ p.name }}": "{{ p.description }}"{{ ",\r\n    " }}
-    {%- endfor %}}
+    - {{ p.name }}: {{ p.description }}{{ "\r\n    " }}
+    {%- endfor %}
 {%- endif %}
 {% endfor %}
 
 [AGENTS]
 {% for agent in routing_agents %}
-* Agent: {{ agent.name }}
-{{ agent.description}}
-{% if agent.required_fields and agent.required_fields != empty -%}
-Required args: 
-    {% for f in agent.required_fields -%}
-    - {{ f.name }} ({{ f.type }}): {{ f.description }}{{ "\r\n    " }}
+* {{ agent.description}}
+Agent: {{ agent.name }}
+{% if agent.fields and agent.fields != empty -%}
+Arguments: 
+    {% for f in agent.fields -%}
+    - {{ f.name }}: {{ f.description }} (type: {{ f.type }}, required: {{f.required}}){{ "\r\n    " }}
     {%- endfor %}
 {%- endif %}
 {% endfor %}
 
-[CONVERSATION]
+[CONVERSATION]
\ No newline at end of file
diff --git a/src/WebStarter/data/agents/b284db86-e9c2-4c25-a59e-4649797dd130/agent.json b/src/WebStarter/data/agents/b284db86-e9c2-4c25-a59e-4649797dd130/agent.json
index 14d27b26..6b2a2771 100644
--- a/src/WebStarter/data/agents/b284db86-e9c2-4c25-a59e-4649797dd130/agent.json
+++ b/src/WebStarter/data/agents/b284db86-e9c2-4c25-a59e-4649797dd130/agent.json
@@ -5,5 +5,13 @@
   "updatedDateTime": "2023-08-18T14:39:32.2349686Z",
   "id": "b284db86-e9c2-4c25-a59e-4649797dd130",
   "allowRouting": true,
-  "isPublic": true
+  "isPublic": true,
+  "routingRules": [
+    {
+      "field": "order_number",
+      "description": "order number",
+      "type": "string",
+      "redirectTo": "c2b57a74-ae4e-4c81-b3ad-9ac5bff982bd"
+    }
+  ]
 }
\ No newline at end of file