Hello.
Hello, how may I aid you today?
I want to cancel my recent  reservation due to sudden cancellation of my trip. Can you help me?
Sure, can you please share your name to proceed further?
I am Ronald Roberts.
Ok, please wait a moment.
Sure.
Thank you for your time, sorry no reservation found on your name.
That's ok, not an issue. Thank you for your information.
Thank you for reaching us.