You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit my grandfather's place in Detroit, can you help me in booking my ticket?

ASSISTANT: Sure, can you give a quick brief of your airport codes and travelling dates?

USER: I want to depart from DEN on 03/24 and return back from DTW on 03/26.

ASSISTANT: For further process, may I know your name please?

USER: Sure, my name is Katherine Jackson.

ASSISTANT: I found a flight with your requirements in Hawaiian airlines. May I proceed further?

USER: Sure you may proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome.