Hello. I am Joseph Lewis.
user
Hello, how may I amend you at this moment?
assistant
Due to some sudden change in weather, I need to cancel my reservation. Can you please cancel my reservation?
user
Ok, please wait for a while, I will check the reservation list and revert to you.
assistant
Sure.
user
Thank you for waiting, no reservation was found on your name.
assistant
No problem. Thank you.
user
Thank you for availing our service.
assistant