You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have to attend Music concert at Washington, could you please help me with booking a flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: I would like to take off on 11/12 and return on 11/14.

ASSISTANT: May I know your airport codes?

USER: My nearest source airport code is AUS and destination airport code is DCA.

ASSISTANT: There is a flight with number 1019 in airline JetBlue.

USER: Please proceed with the booking.

ASSISTANT: May I know your name?

USER: I am Rebecca Moore.

ASSISTANT: Your ticket is booked, have a safe flight.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.