You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Catherine Collins, I want to cancel my reservation due to sudden rainfall in my city. Help me in cancelling my reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Not an issue, thank you for your quick response.

ASSISTANT: Thanks for opting us.