You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a flight ticket from SFO to AUS. Can you please help me in that?

ASSISTANT: Sure, can you please share your travel dates?

USER: My trip dates are July 02 to July 04.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: May I know your airline preference?

USER: I don't have any airline preference.

ASSISTANT: May I know your name please?

USER: Mark Adams here.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is a direct flight from United Airlines with a ticket fare of 200, shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with the flight-1013 in economy class.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe trip.