You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Baker.

ASSISTANT: Baker, how can I aid you today?

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

ASSISTANT: Ok, can I know your travel dates please?

USER: Sure, I would like to take off on 12/01 and return on 12/03.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: Here is a flight-1002, costs 100 from AA airlines. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Baker, your ticket is booked.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for opting us.