Hello.
Hello, may I know your name please?
My name is Mark Thomas.
How can I help you?
Due to some reasons I want to cancel my previous reservation. Can you please help me?
Sure, please give me some time to check your details.
OK.
We found your reservation, shall I proceed the cancelling of your reservation?
Yes, please proceed.
OK, your reservation has been cancelled.
Thank you for your help.
Thank you and have nice day.