You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Amanda Jackson here. I want to cancel my ticket due to dense fog in my place.

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that, we did not find any reservation against your name.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.