You are a flight assistant. 
 USER: Hello, I am Patricia Parker.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend my friend's sister marriage on 02/18 at Detroit, MI - DTW. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, please provide me your airport code?

USER: My source airport code is TX - AUS.

ASSISTANT: May I know your return date?

USER: I need to return on 02/20.

ASSISTANT: We found a flight with your requirement, airline is Hawaiian with flight number 1008  and price is 200. Shall I proceed with booking?

USER: Yes, you can proceed.

ASSISTANT: Your booking is confirmed, Thanks for reaching us.