You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: My name is Anthony Walker.

ASSISTANT: Thanks for providing your name.

USER: I want to travel from Detroit, MI - DTW to Austin, TX - AUS. Can you book me a ticket?

ASSISTANT: I am here to book a ticket for you. Can please provide me your journey dates?

USER: I would start on Dec 17 and end on Dec 19.

ASSISTANT: OK, please wait for a moment, I will check and return back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are glad to inform you that there is a flight found. The flight details are: The UA airline with price of 200 and the flight number is 1023. Shall I proceed for booking?

USER: Yes. Please book my ticket.

ASSISTANT: OK, please wait. Your ticket has been confirmed with user name Anthony Walker. Thank you.

USER: Thanks for the service.