You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my reservation due to heavy snowfall at my destination place, so please help me.

ASSISTANT: Sure, I am here to help you. May I know your good name please?

USER: Sure, I am Karen Roberts.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is no active reservation found in your name to cancel.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.