Hi.
Hello, how can I assist you now?
Owing to an emergency, my business conference got cancelled, so I want you to cancel my recent reservation.
Sure, I am happy to help you with that.
Thank you.
Can I have your good name please to check your reservation status?
Sure, Nancy Clark here.
Ok, please wait a moment.
Sure.
Sorry Nancy Clark, no reservation has found under your name to cancel.
Ok, no issues. Thank you for your assistance.
Thank you for choosing us, have  a good day.