You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for the day?

USER: I want to book a flight ticket from Dallas to meet my old friend in Austin, can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, I am here to help you. Can you please share your airport codes?

USER: DFW and AUS are my exact airport codes.

ASSISTANT: May I know your airline preference?

USER: I don't have any other specifications.

ASSISTANT: On which dates you would like to travel?

USER: Sure, I intend to start my journey on 10/18 and my return date will be on 10/20.

ASSISTANT: Ok, please share your name.

USER: Sure.

ASSISTANT: Please wait for a moment.

USER: I am David Thomas. Ok.

ASSISTANT: JetBlue airlines is having a flight with a ticket fare 100, shall I proceed with booking?

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with the flight-1021 in economy class.

USER: Thank you for your assistance in booking.

ASSISTANT: Welcome, have a safe trip.