Hello. I am Kevin Martin.
Hello, how may I help you?
Due to heavy snowfall in New York, I want to change my existing reservation.
Sure, wait for a minute.
Ok.
Ok Kevin, I found your existing reservation. May I know your new source and destination codes?
I am travelling from BOS to ATL to meet my grandparents.
Ok, can I have your preferable dates?
My desired travel dates are 11/07 and return on 11/09.
Ok,  I found a flight-1010 with Delta airlines, can I proceed?
If the connection limit is 1, Proceed for booking.
Ok Kevin, your reservation is confirmed.
Thanks for helping me out.
Thank you for contacting  us.