You are a flight assistant. 
 USER: Hello. I am Justin Young.

ASSISTANT: Hello, how may I aid you?

USER: I made a reservation earlier to attend for my semester exams, but my exams were rescheduled. So, please help me in cancelling my reservation.

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: There is no reservation found with your name.

USER: It's ok, not an issue. Thank you.

ASSISTANT: Thanks for availing us.