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