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

ASSISTANT: Hello, how can I serve you today?

USER: Due to some sudden changes in weather, Can you please cancel my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to say that, no reservation was found with your good name.

USER: No problem.

ASSISTANT: Thank you for opting us.

USER: Thank you.