You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Jack Jones.

ASSISTANT: How may may I aid you today?

USER: I am planning to attend music concert at New York, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your journey dates?

USER: Sure, I would like to take off on 03/21 and return back on 03/23.

ASSISTANT: May I know your airport codes to proceed further?

USER: My source airport code is DTW and the destination airport code is LGA.

ASSISTANT: Wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are welcome.