You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Andrew Hernandez here. I want to cancel my ticket due to dense fog in my hometown.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.