Hello, I am Andrew Davis.
Hello. How can I assist you?
I want to change my reservation due to postpone in my schedule.
Sure. Reservation found, Provide your travelling details.
My new journey dates are from 10/27 to 10/29. New airport codes are to DFW from JFK.
There is no flight available with your requirements.
Ok, not an issue. Thank you for your help.
Ok, Thank you.