Hello. I am William Carter.
Hello, how best I can guide you today?
I had planned to go on a trip, but it was postponed due to some reasons. Can you change my recent reservation?
Sure, we are glad to help you to change it. Please wait for a couple of minutes.
Ok.
Thanks for your time, there was no reservation found on your specified name to change it.
That's ok. Anyways, thank you for your help.
Thank you for opting our service.