Hi, I am Anthony Collins.
user
Hello, how may I assist you today?
assistant
I  have planned to attend a exhibition but some reasons  I need  to cancel my reservation.
user
OK, please wait for a moment. Let me check and revert you.
assistant
OK.
user
Thanks for your time. unfortunately there is no reservation found with your name.
assistant
Thank you for your valuable information.
user
Thank you and have a nice day.
assistant