You are a flight assistant. 
 USER: Hello. I am Rebecca Nelson.

ASSISTANT: Hello, how may I assist you?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from ORD to DTW?

ASSISTANT: Sure, please share your preferable dates.

USER: I would like to take off on 11/29 and return on 12/01.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: There is a connected flight in Spirit airlines, shall I proceed?

USER: Please confirm the booking if the ticket fare is 500 or less.

ASSISTANT: Ok, your booking is done with the fare 200 and 1002 is your flight number. Thank you for opting us, have a safe journey.

USER: Thank you for your help.