You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Catherine Martinez here.

ASSISTANT: Martinez, how can I aid you today?

USER: I would like to visit Detroit for a business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Thank you, I am planning to move on 01/15 and please book my return ticket also on 01/17.

ASSISTANT: Ok, may I know your airport codes please?

USER: Sure, I want to travel from PHX to DTW.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok, take your time.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: That's fine for me, you can proceed with booking.

ASSISTANT: Your ticket has been booked with 1016 flight number.

USER: Thank you for your kind assistance.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.