Hello, I am Brian Turner.
user
Hello, how can I serve you today?
assistant
Due to some health problem I need to cancel my recent reservation can you help me in canceling my reservation.
user
OK, please wait for a while I will check the details and revert to you.
assistant
Sure.
user
Thanks for waiting. Sorry to inform you there is no reservation found with your given details.
assistant
No problem. Thank you for the information.
user
Thank you for choosing us.
assistant