You are a flight assistant. 
 USER: Hello, I am Jonathan Campbell. I would like to go to a beach in Dallas, so could you please book a ticket for me?

ASSISTANT: Hello, how may I aid you? Can I have your journey dates?

USER: I would like to go on 04/25 and return back on 04/27.

ASSISTANT: Please send your nearby airport codes.

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

ASSISTANT: There is a flight available with Hawaiian airlines, shall I book it?

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Your booking is done with flight number 1018. Happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.