You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Elizabeth Hill. I would like to book a flight ticket from OAK to AUS. Could you please help me out?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am starting on 12/16 and return back on 12/18.

ASSISTANT: AA airlines is available for you with 1 connection and flight number is 1001. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked and fare is 200.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our agency.