Hello, I am Timothy Wilson.
user
Hello, how may I oblige you today?
assistant
Due to cancel of my exams in my college.Would it be possible to cancel my recent  reservation?
user
Sure, please wait for a while.
assistant
Sure.
user
Thank you for waiting. Sorry to notify that, we couldn't find any reservation on your name.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant