You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Elizabeth Young here.

ASSISTANT: How can I aid you at this moment?

USER: I want to attend a Marriage in Detroit. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are 01/04 and 01/06.

ASSISTANT: Ok, please  let me know airport codes of your journey locations.

USER: My airport codes are LAX and DTW. I would prefer economy class.

ASSISTANT: AA airlines running a flight in your route with connection 1 and the ticket fare is 100 in economy class. Are you ok with this flight?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok Elizabeth Young, your ticket booking has done  and the flight number is 1015.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us, have a great journey.