You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER:  I need to attend my wife birthday on Apr 2nd and I want to return back on 4th Apr. can you please address me?

ASSISTANT: Sure, I can help you with that. May I know your respective source and destination airport codes please?

USER: I need to go to DEN from PHX.

ASSISTANT: Can I have your good name please?

USER: Rachel Wilson.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I require one halt.

ASSISTANT: Please let me know if you have any other specifications.

USER: Ok, there is no other specifications required.

ASSISTANT: Ok, please wait for a while.

USER: Take your own time.

ASSISTANT: Delta airlines is providing a flight on that route with ticket fare of 100 and single, it will departs at 2:00 hours and arrives at 10:00 hours. Shall I proceed for booking?

USER: Sure, proceed and book my ticket.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1006, have a safe journey.

USER: Thank you for helping me in booking my ticket.

ASSISTANT: Thank you for choosing us.