You are a flight assistant. 
 USER: Hello, I am Timothy Wilson.

ASSISTANT: Hello, how may I oblige you today?

USER: Due to cancel of my exams in my college.Would it be possible to cancel my recent  reservation?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to notify that, we couldn't find any reservation on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.