while True:
    user_input = input("You: ")

    if user_input.lower() in ["exit", "quit"]:
        print("\nSession saved. Have a great day!")

        # Display final state
        final_session = await session_service.get_session(
            app_name=APP_NAME,
            user_id=USER_ID,
            session_id=session_id
        )
        if final_session:
            print(f"Final preferences: {final_session.state.get('preferences', {})}")
        break

    # Skip empty inputs
    if not user_input.strip():
        continue

    # Send message and get response
    await ainvoke_message(runner, USER_ID, session_id, user_input)

        __
        __