You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER:  I am Deborah Clark want to attend a live concert at NY-JFK.

ASSISTANT: Ok.

USER: Can you book  a connecting flight?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are 12/21 and 12/23.

ASSISTANT: How much you can afford for this journey?

USER: I can afford  up to 1000.

ASSISTANT: Help me with your source code.

USER: I will depart from CO-DEN.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a flight with airline: Frontier, flight number:1019, price 700, 1 connection. Shall I proceed?

USER: OK, you can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER:  Thank you for booking.

ASSISTANT: Thank you for opting us.