Hello.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation due to postpone of my event.
user
Sure, I am willing to help you for this. May I know your name please?
assistant
I am Daniel Smith.
user
Please wait for a while.
assistant
Sure.
user
Sorry for inconvenience, no reservation is found under your name to change.
assistant
No worries, thank you for the information.
user
Thank you very much for contacting our agency.
assistant