Hello.
Hello, how can I address you?
I am Paul Green. I am planning to cancel an existing reservation, due to health issue. Can you please cancel my ticket?
Yes, please wait a minute I will get back to you.
Sure, I will wait for your reply.
Thank you for waiting, sorry we didn't find any reservation on your name.
That's fine, thank you for your service.
Thank you for opting us, have a nice day.