You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Paul Williams. I want to cancel my flight reservation as I am sick, please help me.

ASSISTANT: Sure, we are happy to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: No problem. Anyway, thank you.

ASSISTANT: Thank you for availing us.