diff --git a/src/Infrastructure/BotSharp.Abstraction/Agents/Enums/AgentRole.cs b/src/Infrastructure/BotSharp.Abstraction/Agents/Enums/AgentRole.cs
index 4cab43d6..f9547d5a 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Agents/Enums/AgentRole.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Agents/Enums/AgentRole.cs
@@ -3,21 +3,7 @@ namespace BotSharp.Abstraction.Agents.Enums;
 public class AgentRole
 {
     public const string System = "system";
-
-    /// <summary>
-    /// AI Assistant
-    /// </summary>
     public const string Assistant = "assistant";
-
-    /// <summary>
-    /// Client
-    /// </summary>
     public const string User = "user";
-
     public const string Function = "function";
-
-    /// <summary>
-    /// Customer service representative (CSR)
-    /// </summary>
-    public const string CSR = "csr";
 }
diff --git a/src/Infrastructure/BotSharp.Abstraction/Agents/Models/UserAgent.cs b/src/Infrastructure/BotSharp.Abstraction/Agents/Models/UserAgent.cs
index 55033a04..b6eab94d 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Agents/Models/UserAgent.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Agents/Models/UserAgent.cs
@@ -5,6 +5,7 @@ public class UserAgent
     public string Id { get; set; } = string.Empty;
     public string UserId { get; set; } = string.Empty;
     public string AgentId { get; set; } = string.Empty;
+    public bool Editable { get; set; }
     public DateTime UpdatedTime { get; set; } = DateTime.UtcNow;
     public DateTime CreatedTime { get; set; } = DateTime.UtcNow;
 }
diff --git a/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs b/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs
index f13466b7..3d82500c 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs
@@ -77,7 +77,7 @@ public abstract class ConversationHookBase : IConversationHook
         return Task.CompletedTask;
     }
 
-    public virtual Task OnConversationInitialized(Conversation message)
+    public virtual Task OnConversationInitialized(Conversation conversation)
     {
         return Task.CompletedTask;
     }
diff --git a/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs b/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs
index 4cc6af36..66342ffb 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs
@@ -9,7 +9,7 @@ public interface IBotSharpRepository
 
     #region User
     User? GetUserByEmail(string email);
-    User? GetUserByExternalId(string externalId);
+    User? GetUserById(string id);
     void CreateUser(User user);
     #endregion
 
diff --git a/src/Infrastructure/BotSharp.Abstraction/Users/IUserService.cs b/src/Infrastructure/BotSharp.Abstraction/Users/IUserService.cs
index f54782ce..35d74aa4 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Users/IUserService.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Users/IUserService.cs
@@ -4,6 +4,7 @@ namespace BotSharp.Abstraction.Users;
 
 public interface IUserService
 {
+    Task<User> GetUser(string id);
     Task<User> CreateUser(User user);
     Task<Token> GetToken(string authorization);
     Task<User> GetMyProfile();
diff --git a/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs b/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs
index 7253f4db..a56e505f 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs
@@ -1,3 +1,5 @@
+using BotSharp.Abstraction.Users.Enums;
+
 namespace BotSharp.Abstraction.Users.Models;
 
 public class User
@@ -9,6 +11,7 @@ public class User
     public string Salt { get; set; } = string.Empty;
     public string Password { get; set; } = string.Empty;
     public string? ExternalId { get; set; }
+    public string Role { get; set; } = UserRole.Client;
     public DateTime UpdatedTime { get; set; } = DateTime.UtcNow;
     public DateTime CreatedTime { get; set; } = DateTime.UtcNow;
 }
diff --git a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.CreateAgent.cs b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.CreateAgent.cs
index 5e29d9a8..2253710c 100644
--- a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.CreateAgent.cs
+++ b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.CreateAgent.cs
@@ -42,7 +42,7 @@ public partial class AgentService
                        .SetResponses(foundAgent.Responses);
         }
 
-        var user = _db.GetUserByExternalId(_user.Id);
+        var user = _db.GetUserById(_user.Id);
         var userAgentRecord = new UserAgent
         {
             Id = Guid.NewGuid().ToString(),
diff --git a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.RefreshAgents.cs b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.RefreshAgents.cs
index fa24f404..7d0d4ced 100644
--- a/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.RefreshAgents.cs
+++ b/src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.RefreshAgents.cs
@@ -13,7 +13,7 @@ public partial class AgentService
 
         var dbSettings = _services.GetRequiredService<BotSharpDatabaseSettings>();
         var agentDir = Path.Combine(dbSettings.FileRepository, _agentSettings.DataDir);
-        var user = _db.GetUserByExternalId(_user.Id);
+        var user = _db.GetUserById(_user.Id);
         var agents = new List<Agent>();
         var userAgents = new List<UserAgent>();
 
diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs
index 20bfb7cf..92022dca 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs
@@ -1,4 +1,6 @@
 using BotSharp.Abstraction.Repositories;
+using BotSharp.Abstraction.Users.Enums;
+using BotSharp.Abstraction.Users.Models;
 
 namespace BotSharp.Core.Conversations.Services;
 
@@ -46,15 +48,15 @@ public partial class ConversationService : IConversationService
     public async Task<List<Conversation>> GetConversations()
     {
         var db = _services.GetRequiredService<IBotSharpRepository>();
-        var user = db.GetUserByExternalId(_user.Id);
-        var conversations = db.GetConversations(user?.Id);
+        var user = db.GetUserById(_user.Id);
+        var conversations = db.GetConversations(user.Role == UserRole.CSR ? null : user?.Id);
         return conversations.OrderByDescending(x => x.CreatedTime).ToList();
     }
 
     public async Task<Conversation> NewConversation(Conversation sess)
     {
         var db = _services.GetRequiredService<IBotSharpRepository>();
-        var user = db.GetUserByExternalId(_user.Id);
+        var user = db.GetUserById(_user.Id);
         var foundUserId = user?.Id ?? string.Empty;
 
         var record = sess;
diff --git a/src/Infrastructure/BotSharp.Core/Repository/BotSharpDbContext.cs b/src/Infrastructure/BotSharp.Core/Repository/BotSharpDbContext.cs
index 4b2383bc..93339d3d 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/BotSharpDbContext.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/BotSharpDbContext.cs
@@ -169,7 +169,7 @@ public class BotSharpDbContext : Database, IBotSharpRepository
         throw new NotImplementedException();
     }
 
-    public User? GetUserByExternalId(string externalId)
+    public User? GetUserById(string id)
     {
         throw new NotImplementedException();
     }
diff --git a/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs b/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs
index 517bd0f7..e77e160a 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs
@@ -726,7 +726,7 @@ public class FileRepository : IBotSharpRepository
 
             var json = File.ReadAllText(path);
             var record = JsonSerializer.Deserialize<Conversation>(json, _options);
-            if (record != null && record.UserId == userId)
+            if (record != null && (record.UserId == userId || userId == null))
             {
                 records.Add(record);
             }
@@ -769,9 +769,9 @@ public class FileRepository : IBotSharpRepository
         return Users.FirstOrDefault(x => x.Email == email);
     }
 
-    public User? GetUserByExternalId(string externalId)
+    public User? GetUserById(string id = null)
     {
-        return Users.FirstOrDefault(x => x.ExternalId == externalId);
+        return Users.FirstOrDefault(x => x.ExternalId == id || x.Id == id);
     }
 
     public void CreateUser(User user)
diff --git a/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs b/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs
index 30fa131f..d832cc13 100644
--- a/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs
+++ b/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs
@@ -97,7 +97,15 @@ public class UserService : IUserService
     public async Task<User> GetMyProfile()
     {
         var db = _services.GetRequiredService<IBotSharpRepository>();
-        var user = db.GetUserByExternalId(_user.Id);
+        var user = db.GetUserById(_user.Id);
+        return user;
+    }
+
+    [MemoryCache(60)]
+    public async Task<User> GetUser(string id)
+    {
+        var db = _services.GetRequiredService<IBotSharpRepository>();
+        var user = db.GetUserById(id);
         return user;
     }
 }
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
index 7b5d83b0..39fc861a 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
@@ -2,6 +2,7 @@ using BotSharp.Abstraction.ApiAdapters;
 using BotSharp.Abstraction.Conversations.Models;
 using BotSharp.Abstraction.Models;
 using BotSharp.OpenAPI.ViewModels.Conversations;
+using BotSharp.OpenAPI.ViewModels.Users;
 using Microsoft.AspNetCore.Http;
 using System.Net.Http.Headers;
 
@@ -27,7 +28,8 @@ public class ConversationController : ControllerBase, IApiAdapter
         var service = _services.GetRequiredService<IConversationService>();
         var conv = new Conversation
         {
-            AgentId = agentId
+            AgentId = agentId,
+            UserId = _user.Id
         };
         conv = await service.NewConversation(conv);
         config.States.ForEach(x => conv.States[x.Split('=')[0]] = x.Split('=')[1]);
@@ -35,6 +37,34 @@ public class ConversationController : ControllerBase, IApiAdapter
         return ConversationViewModel.FromSession(conv);
     }
 
+    [HttpGet("/conversations/{agentId}")]
+    public async Task<IEnumerable<ConversationViewModel>> GetConversations()
+    {
+        var service = _services.GetRequiredService<IConversationService>();
+        var conversations = await service.GetConversations();
+        var userService = _services.GetRequiredService<IUserService>();
+        var list = conversations.Select(x => new ConversationViewModel
+        {
+            Id = x.Id,
+            AgentId = x.AgentId,
+            Title = x.Title,
+            User = new UserViewModel
+            {
+                Id = x.UserId,
+            },
+            CreatedTime = x.CreatedTime,
+            UpdatedTime = x.UpdatedTime
+        }).ToList();
+
+        foreach (var item in list)
+        {
+            var user = await userService.GetUser(item.User.Id);
+            item.User = UserViewModel.FromUser(user);
+        }
+
+        return list;
+    }
+
     [HttpDelete("/conversation/{agentId}/{conversationId}")]
     public async Task DeleteConversation([FromRoute] string agentId, [FromRoute] string conversationId)
     {
diff --git a/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/ConversationViewModel.cs b/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/ConversationViewModel.cs
index f47c5cd6..ee819cf1 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/ConversationViewModel.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/ConversationViewModel.cs
@@ -1,4 +1,5 @@
 using BotSharp.Abstraction.Conversations.Models;
+using BotSharp.OpenAPI.ViewModels.Users;
 
 namespace BotSharp.OpenAPI.ViewModels.Conversations;
 
@@ -7,6 +8,7 @@ public class ConversationViewModel
     public string Id { get; set; }
     public string AgentId { get; set; }
     public string Title { get; set; } = string.Empty;
+    public UserViewModel User {  get; set; } = new UserViewModel();
     public DateTime UpdatedTime { get; set; } = DateTime.UtcNow;
     public DateTime CreatedTime { get; set; } = DateTime.UtcNow;
 
@@ -15,6 +17,10 @@ public class ConversationViewModel
         return new ConversationViewModel
         {
             Id = sess.Id,
+            User = new UserViewModel 
+            { 
+                Id = sess.UserId 
+            },
             AgentId = sess.AgentId,
             Title = sess.Title,
             CreatedTime = sess.CreatedTime,
diff --git a/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Users/UserViewModel.cs b/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Users/UserViewModel.cs
index 4e452334..5bed438e 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Users/UserViewModel.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Users/UserViewModel.cs
@@ -9,6 +9,8 @@ public class UserViewModel
     public string LastName { get; set; }
     public string Email { get; set; }
 
+    public string FullName => $"{FirstName} {LastName}";
+
     public static UserViewModel FromUser(User user)
     {
         return new UserViewModel
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.cs
index 0009e0aa..aacd623b 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.cs
@@ -768,9 +768,9 @@ public class MongoRepository : IBotSharpRepository
         } : null;
     }
 
-    public User? GetUserByExternalId(string externalId)
+    public User? GetUserById(string id)
     {
-        var user = _dc.Users.AsQueryable().FirstOrDefault(x => x.ExternalId == externalId);
+        var user = _dc.Users.AsQueryable().FirstOrDefault(x => x.Id == id || x.ExternalId == id);
         return user != null ? new User
         {
             Id = user.Id,
diff --git a/src/Plugins/BotSharp.Plugin.Qdrant/BotSharp.Plugin.Qdrant.csproj b/src/Plugins/BotSharp.Plugin.Qdrant/BotSharp.Plugin.Qdrant.csproj
index aa9ca00d..e8f32d39 100644
--- a/src/Plugins/BotSharp.Plugin.Qdrant/BotSharp.Plugin.Qdrant.csproj
+++ b/src/Plugins/BotSharp.Plugin.Qdrant/BotSharp.Plugin.Qdrant.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Qdrant.Client" Version="0.1.0" />
+    <PackageReference Include="Qdrant.Client" Version="1.6.0-alpha.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Plugins/BotSharp.Plugin.Qdrant/QdrantDb.cs b/src/Plugins/BotSharp.Plugin.Qdrant/QdrantDb.cs
index 1d7aac14..3bc4e8fb 100644
--- a/src/Plugins/BotSharp.Plugin.Qdrant/QdrantDb.cs
+++ b/src/Plugins/BotSharp.Plugin.Qdrant/QdrantDb.cs
@@ -1,9 +1,8 @@
 using BotSharp.Abstraction.Agents;
 using BotSharp.Abstraction.VectorStorage;
 using Microsoft.Extensions.DependencyInjection;
-using QdrantCSharp;
-using QdrantCSharp.Enums;
-using QdrantCSharp.Models;
+using Qdrant.Client;
+using Qdrant.Client.Grpc;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -14,7 +13,7 @@ namespace BotSharp.Plugin.Qdrant;
 
 public class QdrantDb : IVectorDb
 {
-    private readonly QdrantHttpClient _client;
+    private readonly QdrantClient _client;
     private readonly QdrantSetting _setting;
     private readonly IServiceProvider _services;
 
@@ -23,9 +22,9 @@ public class QdrantDb : IVectorDb
     {
         _setting = setting;
         _services = services;
-        _client = new QdrantHttpClient
+        _client = new QdrantClient
         (
-            url: _setting.Url,
+            host: _setting.Url,
             apiKey: _setting.ApiKey
         );
     }
@@ -33,8 +32,8 @@ public class QdrantDb : IVectorDb
     public async Task<List<string>> GetCollections()
     {
         // List all the collections
-        var collections = await _client.GetCollections();
-        return collections.Result.Collections.Select(x => x.Name).ToList();
+        var collections = await _client.ListCollectionsAsync();
+        return collections.ToList();
     }
 
     public async Task CreateCollection(string collectionName, int dim)
@@ -43,7 +42,11 @@ public class QdrantDb : IVectorDb
         if (!collections.Contains(collectionName))
         {
             // Create a new collection
-            await _client.CreateCollection(collectionName, new VectorParams(size: dim, distance: Distance.COSINE));
+            await _client.CreateCollectionAsync(collectionName, new VectorParams()
+            {
+                Size = (ulong)dim,
+                Distance = Distance.Cosine
+            });
 
             var agentService = _services.GetRequiredService<IAgentService>();
             var agentDataDir = agentService.GetAgentDataDir(collectionName);
@@ -52,7 +55,7 @@ public class QdrantDb : IVectorDb
         }
 
         // Get collection info
-        var collectionInfo = await _client.GetCollection(collectionName);
+        var collectionInfo = await _client.GetCollectionInfoAsync(collectionName);
         if (collectionInfo == null)
         {
             throw new Exception($"Create {collectionName} failed.");
@@ -62,9 +65,16 @@ public class QdrantDb : IVectorDb
     public async Task Upsert(string collectionName, int id, float[] vector, string text)
     {
         // Insert vectors
-        await _client.Upsert(collectionName, points: new List<PointStruct>
+        await _client.UpsertAsync(collectionName, points: new List<PointStruct>
         {
-            new PointStruct(id: id, vector: vector)
+            new PointStruct() 
+            {
+                Id = new PointId()
+                {
+                    Num = (ulong)id,
+                },
+                Vectors = vector
+            }
         });
 
         // Store chunks in local file system
@@ -76,13 +86,13 @@ public class QdrantDb : IVectorDb
 
     public async Task<List<string>> Search(string collectionName, float[] vector, int limit = 5)
     {
-        var result = await _client.Search(collectionName, vector, limit);
+        var result = await _client.SearchAsync(collectionName, vector, limit: (ulong)limit);
 
         var agentService = _services.GetRequiredService<IAgentService>();
         var agentDataDir = agentService.GetAgentDataDir(collectionName);
         var knowledgePath = Path.Combine(agentDataDir, "knowledge.txt");
         var texts = File.ReadAllLines(knowledgePath);
 
-        return result.Result.Select(x => texts[x.Id]).ToList();
+        return result.Select(x => texts[x.Id.Num]).ToList();
     }
 }