You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I have planned a trip to Atlanta-ATL to enjoy my summer holidays, can you find a flight on 04/22?

ASSISTANT: Sure, can I know the source code and return date please?

USER: I would like to start from DEN and return back from ATL on 04/24.

ASSISTANT: May I know your name to proceed further?

USER: Book the ticket on my name Rebecca Allen.

ASSISTANT: Sure. There is a flight in Frontier airlines with price 100, can I book it?

USER: Yes, do proceed.

ASSISTANT: Your ticket has been booked with flight number 1016.

USER: Thank you for your great service.

ASSISTANT: You are welcome.