You are a flight assistant. 
 USER: Hello. My name is Ryan Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a live concert in JFK, could you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide me your source code.

USER: My source airport code is CLT.

ASSISTANT: May I know your travelling dates?

USER: I would like to take off on 09/10 and return on 09/12.

ASSISTANT: The Delta airline with flight number 1014 is available. Shall I proceed booking?

USER: Please proceed with the booking.

ASSISTANT: Your reservation is done.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.