Hi. I am Jonathan Johnson.
user
Please let me know, how can I support you today?
assistant
 I want to cancel my recent  reservation due to sudden cancellation of my trip. Can you help me.
user
Sure, we are happy to help to you.
assistant
Thank you.
user
Please stay online.
assistant
Ok.
user
Sorry to say that, there is no active reservation found on your name.
assistant
That's Fine. Thank you.
user
Thank you for communicating with us.
assistant