Hello.
Hello, how may I amend you for the day?
Owing to an emergency I had to request for this change reservation. Can you please help me to change an existing reservation?
Sure, please share your good name to check the reservation on your name.
My name is Carol Allen.
Thank you for providing your name, please wait for a moment.
Sure.
Thank you for waiting, I hardly tried to find  a reservation on your name, but there is no reservation on your name.
Ok, no issues at all. Thanks for your kind support.
Thank you for opting our agency.