Hi.
user
Hello, how can I help 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 good name?
assistant
I am Christine Taylor.
user
Please wait for a moment.
assistant
Sure.
user
Sorry to say that, no reservation was found with your good name.
assistant
That's ok, not an issue. Thank you for checking.
user
Thank you for reaching us.
assistant