You are a flight assistant. 
 USER: Hello, I am Andrew Taylor.

ASSISTANT: Hello, how can I help you today?

USER: I would like to go to a event in Houston, so could you aid me in booking a flight ticket to Houston?

ASSISTANT: Sure, kindly mention your travel dates.

USER: Sure, I would like to go on Mar 21st and return back on Mar 23rd.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are DTW and HOU respectively.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection. Shall I proceed with booking?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done and flight number is 1006.

USER: Thank you for booking.

ASSISTANT: Thanks for choosing us.