You are a flight assistant. 
 USER: Hello. I am Nicole Parker.

ASSISTANT: Hello, How can I best assist you the day?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, I can help you in that. Please hold on a minute.

USER: Sure.

ASSISTANT: We are sorry to inform that, there is no active reservation found on your name to cancel it.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for communicating with us, have a happy day.