You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Lewis.

ASSISTANT: Scott Lewis. How can I help you?

USER: I want to modify my destination airport code because the place where I have to go is not near to that destination airport. Can you please help me to change the details?

ASSISTANT: Sure, can you give me a moment.

USER: Sure.

ASSISTANT: We have found the reservation by you name, can give the new airport codes and  travel dates.

USER: Ok, my airport codes are from ATL to PHX.

ASSISTANT: provide travel dates please.

USER: Sure, my travelling dates are on Mar 09 and return on Mar 11.

ASSISTANT: Frontier Airlines with flight 1026 in the economy class with single connection and cost of 100.

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Sure, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.