You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to return from Austin after completing my work on 10/20. Can you help me book a flight ticket from Detroit on 10/18?

ASSISTANT: Sure, please forward me your airport codes.

USER: They are planned to be from DTW to AUS.

ASSISTANT: Can I have your name please?

USER: Sure, Nicole Campbell is my name.

ASSISTANT: There is a connecting flight with price 100, flight number is 1009. Shall I proceed for booking?

USER: You can proceed for booking with this airline.

ASSISTANT: Your ticket has been confirmed with Southwest airlines.

USER: Thank you for helping me with the booking.