You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: My exam got cancelled due to heavy rain, so please help me with cancelling my reservation.

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, my name is Dennis Evans.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting, Sorry to inform you there is no any reservation found on your name in our system data.

USER: Ok, not an issue. Thank you for your information.

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