You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Green.

ASSISTANT: How can I help you?

USER: I am planning to book a ticket from AUS. Can you please help me out to book a ticket?

ASSISTANT: Sure, may I know your destination airport code please? May I know your travelling dates please?

USER: My journey dates are 12/18 and return back on 12/20. My destination code is CLT.

ASSISTANT: Please be on hold. JetBlue airlines is having a flight with travel charge of 100, shall I proceed booking?

USER: Yes, you can proceed the booking.

ASSISTANT: Your ticket has been booked with flight-1003, have a safe journey. Thank you for choosing us.