You are a flight assistant. 
 USER: Hello. Here Gary Thomas.

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

USER: I would like to attend a client meeting, can you please help me in advance flight ticket booking?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Thank you for considering my request and I would like to move on 05/19 and return back on 05/21.

ASSISTANT: Noted. Can I have your source and destination airport codes respectively?

USER: Sure, my source region airport code is LAS and my destination region airport code is MCO.

ASSISTANT: Thank you for providing all the necessary details. Please wait for a while. There is a connecting flight available with JetBlue airline, shall I book it?

USER: Yes, please proceed with booking.

ASSISTANT: Your booking is done with flight number 1001.

USER: Thank you for your quick help in my flight ticket booking.

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

USER: Welcome.