You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I provide assistance for you?

USER: I want to change my destination airport code in my existing reservation, please help me with that.

ASSISTANT: Sure, I am here to help you. Could you please help me with your name?

USER: Sure, my name is Paul Scott.

ASSISTANT: I have found your reservation, may I know your new airport codes?

USER: Sure, my airport codes are 06/14 and 06/16.

ASSISTANT: Let me know your journey dates?

USER: Sure, my airport codes are ATL and DFW.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: I have found a flight 1022 from Frontier airlines, shall I proceed?

USER: Yes, please confirm my reservation.

ASSISTANT: I have reserved your new ticket on your name.

USER: Thank you.

ASSISTANT: You are welcome.