You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Denver Art Museum, can you please book my ticket to Denver?

ASSISTANT: Sure, may I know your airport codes?

USER: My nearest origin airport code is ATL and my destination airport code is DEN.

ASSISTANT: Ok, please help me by giving your dates too.

USER: I am willing to start my journey on 12/28 from ATL and would like to return on 12/30 from DEN.

ASSISTANT: May I know your name for further proceedings?

USER: My name is Linda Harris.

ASSISTANT: Ok Linda, we have a direct flight with price 200. Shall I proceed?

USER: Please check for a 1 connection limit flight for me.

ASSISTANT: Sorry for the inconvenience, based on your request, we don't have a flight for you.

USER: Ok, please don't book my ticket. I will choose any alternate for this trip.

ASSISTANT: Ok, thanks for reaching us.

USER: Thank you for providing information.