Hi,.
user
Hello, how may I assist you?
assistant
Due to some emergency in my family  i want to cancel my reservation. I am Jacob Moore.
user
Sure, please wait a moment, I will check and get back to you.
assistant
OK.
user
Thanks for waiting, we found no reservation on your name.
assistant
OK, thank you for your service.
user
Thanks for choosing us, have a nice day.
assistant