diff --git a/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs b/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
index 68636bd1..e8548c4d 100644
--- a/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
+++ b/src/Infrastructure/BotSharp.Core.Realtime/Services/RealtimeHub.cs
@@ -233,7 +233,8 @@ public class RealtimeHub : IRealtimeHub
         }
 
         await _completer.InsertConversationItem(message);
-        await _completer.TriggerModelInference("Reply based on the user input");
+        var instruction = await _completer.UpdateSession(_conn);
+        await _completer.TriggerModelInference($"{instruction}\r\n\r\nReply based on the user input: {message.Content}");
     }
 
     private async Task HandleUserDisconnected()