Hello.
user
Hello, how may I help you?
assistant
       Would it be possible to cancel my reservation, which I have done with my name?
user
Sure, I am glad to help you. May I know your name?
assistant
Thank you, my name is John Thompson.
user
Sorry, there are no reservation found on your name.
assistant
That's fine, thank you for the response.
user
Thank you for choosing us.
assistant