Hello.
Hello, how can I assist you?
I have to cancel my reservation due to my planned event got cancelled. So please help me with that.
Sure, I can help you with that. May I know your good name please?
Thank you. Please check the  reservation with my name Katherine Smith.
Ok, please wait for a while.
Sure, take your time.
Katherine Smith, there is no active reservation found under your name to do cancellation.
Oh! It may not be booked properly. Anyway, thank you for your time.
Thank you for choosing us.