Hello.
user
 Hello, how can I assist you for the day?
assistant
I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?
user
Let me know your name to check your reservation?
assistant
I am Jacob Campbell.
user
 Sorry, we found no reservation on your given name.
assistant
 Not a problem, thank you for the information.
user
Thank you for choosing us.
assistant