You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER:  I am Sarah Thomas. I want to book a ticket from Austin,TX-AUS to attend a private party.

ASSISTANT: Ok, may I know your journey dates?

USER:  Can you book a ticket on 01/11?

ASSISTANT: Sure,.

USER: I will return on 01/13.

ASSISTANT: Ok, can you please let me know your destination airport code?

USER:  I will depart from PA-PHL.

ASSISTANT: Do you any flag stop in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there any price limit for you? Ok, please wait for a while.

USER: My budget is 5000. Ok.

ASSISTANT: There is a flight found with Delta airline of flight number 1004 and fare is 100. Shall I proceed for booking?

USER: Ok, you can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thanks for communicating us. Have a safe journey.