Hi.
Hello, what help that I can do for you?
I am Jack Johnson. Can you help me in changing my recent reservation, as my interview is postponed?
Sure, I am oblige to help you in ticket modification process.
Ok.
Thank you for waiting, there is no reservation found for the user name in our data base to modify your flight ticket booking.
That's ok, thank you.
You are most welcome and have a nice day.