You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: Ok, I am Paul Miller.

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your name to cancel.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for reaching our service.