Hi,. I am Rebecca Williams.
Hello, how can I be a helping hand to you?
Owing an emergency, I need to cancel my recent reservation. Can you help me with this?
Sure, please wait for a moment, while I will check and let me know get back to you.
Sure.
Thank you for waiting, we are sorry to inform you that, there is no reservation found against  your name.
Ok, not a problem. Thanks for your response.
Thank you for choosing us. Have a nice day.