You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Edward Thomas here. I want to change my existing reservation due to a heavy rain fall in JFK.

ASSISTANT: Ok, let me check one minute. Tell me your new travel details?

USER: The new reservation is from MCO to PHX. I am travelling on 07/10 to 07/12.

ASSISTANT: I found a flight for you by AA airlines, flight number is 1002.

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thanks for helping me out.