You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Emma Smith here. I want to cancel my ticket due to dense fog in my place.

ASSISTANT: Sure, I am gleeful to assist you. Give me a minute.

USER: Sure.

ASSISTANT:   Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to cancel it.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.