diff --git a/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs b/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
index ead4185f..748468df 100644
--- a/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
+++ b/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
@@ -39,8 +39,8 @@ public class RealtimeHub : IRealtimeHub
         var dialogs = convService.GetDialogHistory();
         if (dialogs.Count == 0)
         {
-            //dialogs.Add(new RoleDialogModel(AgentRole.User, "Hi"));
-            //storage.Append(_conn.ConversationId, dialogs.First());
+            dialogs.Add(new RoleDialogModel(AgentRole.User, "Hi"));
+            storage.Append(_conn.ConversationId, dialogs.First());
         }
 
         routing.Context.SetDialogs(dialogs);
diff --git a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
index eee38122..40467d3f 100644
--- a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/RealTimeCompletionProvider.cs
@@ -1,11 +1,7 @@
-using BotSharp.Abstraction.Options;
 using BotSharp.Plugin.OpenAI.Models.Realtime;
 using BotSharp.Plugin.OpenAI.Providers.Realtime.Session;
-using Newtonsoft.Json.Linq;
 using OpenAI.Chat;
-using System.Collections.Concurrent;
-using System.Threading.Channels;
-using static System.Runtime.InteropServices.JavaScript.JSType;
+using System;
 
 namespace BotSharp.Plugin.OpenAI.Providers.Realtime;
 
@@ -25,9 +21,6 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
     protected string _model = "gpt-4o-mini-realtime-preview";
     private RealtimeChatSession _session;
 
-    //private Channel<AudioMessage> _messageChannel;
-    //private ConcurrentDictionary<string, AudioMessage> _messageDic;
-
     public RealTimeCompletionProvider(
         RealtimeModelSettings settings,
         ILogger<RealTimeCompletionProvider> logger,
@@ -54,13 +47,6 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
         var realtimeModelSettings = _services.GetRequiredService<RealtimeModelSettings>();
         _model = realtimeModelSettings.Model;
 
-        //_messageDic = new();
-        //_messageChannel = Channel.CreateUnbounded<AudioMessage>(new UnboundedChannelOptions
-        //{
-        //    SingleReader = true,
-        //    SingleWriter = true
-        //});
-
         if (_session != null)
         {
             _session.Dispose();
@@ -78,38 +64,6 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
                 onConversationItemCreated,
                 onInputAudioTranscriptionCompleted,
                 onInterruptionDetected);
-
-        //_ = Task.Run(async () =>
-        //{
-        //    await foreach (var item in _messageChannel.Reader.ReadAllAsync())
-        //    {
-        //        var start = DateTime.UtcNow;
-        //        while (_messageDic.TryGetValue(item.ItemId, out var found) && !string.IsNullOrEmpty(found.Transcript))
-        //        {
-        //            if (found.Event == "conversation.item.input_audio_transcription.completed")
-        //            {
-        //                var message = await OnUserAudioTranscriptionCompleted(conn, found.ReceivedText);
-        //                if (!string.IsNullOrEmpty(message.Content))
-        //                {
-        //                    onInputAudioTranscriptionCompleted(message);
-        //                }
-        //                _messageDic.TryRemove(found.ItemId, out _);
-        //            }
-        //            else if (found.Event == "response.done")
-        //            {
-        //                var messages = await OnResponsedDone(conn, found.ReceivedText);
-        //                onModelResponseDone(messages);
-        //                _messageDic.TryRemove(found.ItemId, out _);
-        //            }
-
-        //            if ((DateTime.UtcNow - start).TotalSeconds > 2)
-        //            {
-        //                _messageDic.TryRemove(found.ItemId, out _);
-        //                start = DateTime.UtcNow;
-        //            }
-        //        }
-        //    }
-        //});
     }
 
     public async Task Disconnect()
@@ -241,16 +195,6 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
             {
                 _logger.LogInformation($"{response.Type}: {receivedText}");
 
-                //var data = JsonSerializer.Deserialize<ResponseDone>(receivedText);
-                //var output = data.Body.Outputs.FirstOrDefault();
-
-                //if (output != null && _messageDic.TryGetValue(output.Id, out var item))
-                //{
-                //    item.Event = response.Type;
-                //    item.ReceivedText = receivedText;
-                //    item.Transcript = output.Content.FirstOrDefault()?.Transcript;
-                //}
-
                 var messages = await OnResponsedDone(conn, receivedText);
                 onModelResponseDone(messages);
             }
@@ -259,17 +203,6 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
                 _logger.LogInformation($"{response.Type}: {receivedText}");
 
                 var data = JsonSerializer.Deserialize<ConversationItemCreated>(receivedText);
-                //_messageDic.TryAdd(data.Item.Id, new AudioMessage
-                //{
-                //    ItemId = data.Item.Id,
-                //    ReceivedText = receivedText
-                //});
-                //await _messageChannel.Writer.WriteAsync(new AudioMessage
-                //{
-                //    ItemId = data.Item.Id,
-                //    ReceivedText = receivedText
-                //});
-
                 await Task.Delay(500);
                 onConversationItemCreated(receivedText);
             }
@@ -277,14 +210,6 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
             {
                 _logger.LogInformation($"{response.Type}: {receivedText}");
 
-                //var data = JsonSerializer.Deserialize<ResponseAudioTranscript>(receivedText);
-                //if (_messageDic.TryGetValue(data.ItemId, out var item))
-                //{
-                //    item.Event = response.Type;
-                //    item.ReceivedText = receivedText;
-                //    item.Transcript = data.Transcript;
-                //}
-
                 var message = await OnUserAudioTranscriptionCompleted(conn, receivedText);
                 if (!string.IsNullOrEmpty(message.Content))
                 {
@@ -305,12 +230,9 @@ public class RealTimeCompletionProvider : IRealTimeCompletion
             else if (response.Type == "input_audio_buffer.committed")
             {
                 _logger.LogInformation($"{response.Type}: {receivedText}");
-                await Task.Delay(500);
             }
         }
 
-        //_messageChannel?.Writer.TryComplete();
-        //_messageChannel = null;
         _session.Dispose();
     }