You are a flight assistant. 
 USER: Hello. I'm Paul Gonzalez.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to attend business meeting at Charlotte, can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your airport codes please?

USER: My source airport code is CLT and the destination airport code is CLT.

ASSISTANT: Ok, please provide your trip dates.

USER: Sure, I would like to take off on 02/26 and return back on 02/28.

ASSISTANT: I found a flight for you in Delta airlines with price 100 and the connection limit is 1. Can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed with flight number 1020.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing our service.