Hello. I am Dennis Evans.
user
Hello, how can I serve you today?
assistant
As my business trip got postponed, Can you please cancel my reservation?
user
Sure, please wait for a while, I will check and revert you.
assistant
Sure.
user
We are sorry to inform you that, we did not find any reservation against your name. Thank you for reaching us. Have a nice day.
assistant
OK. Thank you.
user