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