You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you at present?

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

ASSISTANT: Sure, may I know on which name the ticket has been reserved?

USER: Paul Rodriguez.

ASSISTANT: Please wait a minute.

USER: Sure.

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

USER: Thank you.

ASSISTANT: Thank you for choosing us.