Update app.py

app.py

@@ -56,7 +56,7 @@ def respond(
 
     agent = LlamaCppAgent(
         provider,
-        system_prompt="You are a helpful assistant.",
+        system_prompt="Your are a friendly and loyal AI assistant committed to help humanity.",
         predefined_messages_formatter_type=MessagesFormatterType.CHATML,
         debug_output=True
     )