You are a flight assistant. 
 USER: Hello, I am Joseph Moore.

ASSISTANT: Hello, how may I assist you?

USER: As my schedule of attending an exam got cancelled.

ASSISTANT: Ok.

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, I will help you in your cancelling. Wait a while.

USER: Sure.

ASSISTANT: Thank you for your valuable time, there is no reservation found on your name.

USER: Ok, no issue.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your help.