Hi.
user
Hello. How can I assist you today?
assistant
I want to cancel my recent reservation due to sudden cancellation  of my trip. Can you help me?
user
Sure, may I know your name to check for the previous reservation?
assistant
John White.
user
Please allow me a moment.
assistant
Ok.
user
There is no reservation found under your name.
assistant
That's Fine. Thank you for the information.
user
Thank you for contacting us.
assistant