You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Green.

ASSISTANT: Ok Kevin Green, can you please tell me how may I serve you?

USER: Yes, I need your help in reserving a flight ticket from the airport CLT to ORD. Will you please search the flight for me?

ASSISTANT: Yes, I will search the flight for you with your regional airport codes.

USER: Thank you for accepting my request.

ASSISTANT: Ok, on what dates you are willing to travel?

USER: I am willing to travel on the dates of 12/20 and 12/22.

ASSISTANT: Ok, I have found a flight with the intent which you have provided. The airlines is Delta and the connection limit is 1. Can I reserve your ticket with this flight?

USER: Yes, I am fine with this flight. So, please go ahead with ticket booking.

ASSISTANT: Ok, I have booked your ticket with the flight number 1010.

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

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.