You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, we are here to help you. May I know your good name please?

USER: I am Ronald Edwards.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that no reservation found on your name to cancel.

USER: Thank you.

ASSISTANT: Thank you for availing us.