You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I am Brenda Lopez. I want to book a flight ticket to spend weekend in Austin, could you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to fly on 01/14 and return on 01/16.

ASSISTANT: Do you have any price limit?

USER: I can afford up to 500.

ASSISTANT: Let me know your airport codes.

USER: My source is Oakland, CA - OAK and destination code is TX - AUS.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with airline: South west, flight number:1000, price 200, 1 connection. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.