diff --git a/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs b/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs
index 7c2466d9..45fd3251 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Agents/IAgentService.cs
@@ -12,7 +12,7 @@ public interface IAgentService
     Task<Agent> CreateAgent(Agent agent);
     Task<string> RefreshAgents();
     Task<PagedItems<Agent>> GetAgents(AgentFilter filter);
-    Task<List<IdName>> GetAgentOptions(List<string>? agentIds = null);
+    Task<List<IdName>> GetAgentOptions(List<string>? agentIds = null, bool byName = false);
 
     /// <summary>
     /// Load agent configurations and trigger hooks
diff --git a/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs b/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs
index 6f96eec5..de269759 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs
@@ -66,6 +66,12 @@ public class RoleDialogModel : ITrackableMessage
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public string? FunctionArgs { get; set; }
 
+    /// <summary>
+    /// Set this flag is in OnFunctionExecuting, if true, it won't be executed by InvokeFunction.
+    /// </summary>
+    [JsonIgnore(Condition = JsonIgnoreCondition.Always)]
+    public bool Handled { get; set; } = false;
+
     /// <summary>
     /// Function execution structured data, this data won't pass to LLM.
     /// It's ideal to render in rich content in UI.
diff --git a/src/Infrastructure/BotSharp.Core.Realtime/Hooks/RealtimeConversationHook.cs b/src/Infrastructure/BotSharp.Core.Realtime/Hooks/RealtimeConversationHook.cs
index 85c7d24c..ed53be79 100644
--- a/src/Infrastructure/BotSharp.Core.Realtime/Hooks/RealtimeConversationHook.cs
+++ b/src/Infrastructure/BotSharp.Core.Realtime/Hooks/RealtimeConversationHook.cs
@@ -63,7 +63,7 @@ public class RealtimeConversationHook : ConversationHookBase, IConversationHook
             }
             else
             {
-                await hub.Completer.TriggerModelInference($"{instruction}\r\n\r\nResponse user based on function result");
+                await hub.Completer.TriggerModelInference(instruction);
             }
         }
     }
diff --git a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs
index b07a64ff..6db0819a 100644
--- a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs
+++ b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.GetAgents.cs
@@ -26,12 +26,18 @@ public partial class AgentService
     }
 
     [SharpCache(10)]
-    public async Task<List<IdName>> GetAgentOptions(List<string>? agentIds)
+    public async Task<List<IdName>> GetAgentOptions(List<string>? agentIdsOrNames, bool byName = false)
     {
-        var agents = _db.GetAgents(new AgentFilter
-        {
-            AgentIds = !agentIds.IsNullOrEmpty() ? agentIds : null
-        });
+        var agents = byName ? 
+            _db.GetAgents(new AgentFilter
+            {
+                AgentNames = !agentIdsOrNames.IsNullOrEmpty() ? agentIdsOrNames : null
+            }) :
+            _db.GetAgents(new AgentFilter
+            {
+                AgentIds = !agentIdsOrNames.IsNullOrEmpty() ? agentIdsOrNames : null
+            });
+
         return agents?.Select(x => new IdName(x.Id, x.Name))?.OrderBy(x => x.Name)?.ToList() ?? [];
     }
 
diff --git a/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs b/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs
index 63049738..4cba2e2d 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs
@@ -86,10 +86,12 @@ public class RoutingContext : IRoutingContext
         if (!Guid.TryParse(agentId, out _))
         {
             var agentService = _services.GetRequiredService<IAgentService>();
-            agentId = agentService.GetAgents(new AgentFilter
+            var agents = agentService.GetAgentOptions([agentId], byName: true).Result;
+
+            if (agents.Count > 0)
             {
-                AgentNames = [agentId]
-            }).Result.Items.First().Id;
+                agentId = agents.First().Id;
+            }
         }
 
         if (_stack.Count == 0 || _stack.Peek() != agentId)
diff --git a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.InvokeFunction.cs b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.InvokeFunction.cs
index ee403ff8..8c37536c 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/RoutingService.InvokeFunction.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/RoutingService.InvokeFunction.cs
@@ -49,8 +49,11 @@ public partial class RoutingService
             await progressService.OnFunctionExecuting(clonedMessage);
         }
         
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var agent = await agentService.GetAgent(clonedMessage.CurrentAgentId);
         foreach (var hook in hooks)
         {
+            hook.SetAgent(agent);
             await hook.OnFunctionExecuting(clonedMessage);
         }
 
@@ -58,7 +61,11 @@ public partial class RoutingService
 
         try
         {
-            if (!isFillDummyContent)
+            if (clonedMessage.Handled)
+            {
+                clonedMessage.Content = clonedMessage.Content;
+            }
+            else if (!isFillDummyContent)
             {
                 result = await function.Execute(clonedMessage);
             }
diff --git a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
index e87f2226..924ac7f1 100644
--- a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
@@ -162,7 +162,7 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
             }
             else if (response.Type == "response.audio_transcript.delta")
             {
-
+                _logger.LogDebug($"{response.Type}: {receivedText}");
             }
             else if (response.Type == "response.audio_transcript.done")
             {
@@ -211,9 +211,14 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
             }
             else if (response.Type == "input_audio_buffer.speech_started")
             {
+                _logger.LogInformation($"{response.Type}: {receivedText}");
                 // Handle user interuption
                 onInterruptionDetected();
             }
+            else if (response.Type == "input_audio_buffer.speech_stopped")
+            {
+                _logger.LogInformation($"{response.Type}: {receivedText}");
+            }
         }
     }