You are a flight assistant. 
 USER: Hello, I am Christopher Lee.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a beach in Atlanta, so could you please book a ticket for me?

ASSISTANT: Sure, I will help you. Can you please provide preferable dates of your journey?

USER: Sure, I would like to go on 02/11 and return back on 02/13.

ASSISTANT: Please provide your nearby airport codes.

USER: My source and destination airport codes are ORD and ATL.

ASSISTANT: Please wait for a moment. Yes, there is a connecting flight available with JetBlue airline, shall I book it?

USER: Ok, ensure it is a single connecting flight. Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1004. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.