You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Jones.

ASSISTANT: Can I help you with anything?

USER: Due to some sudden changes in weather, I need to cancel my reservation. Can you please help me?

ASSISTANT: Ok. Please wait a while, I will check your previous reservation and let you know the details.

USER: Sure.

ASSISTANT: We did not find any reservation on your name to cancel.

USER: No problem. Thank you.

ASSISTANT: Thank you for aiding us.