You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Frank Clark. Due to sudden changes in weather, I want to cancel my flight. Can you please cancel my reservation?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: No problem. Thank you.

ASSISTANT: Have a good day.