Hello.
user
Hello, how may I guide you?
assistant
I am Stephen Perez. I had planned to go on a vacation, but it was cancelled.Can you cancel my  recent reservation?
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry Perez, there is no reservation is found as per your details to cancel your reservation.
assistant
That's fine.
user
Thank you for your service.
assistant
Thank you for your help.
user