You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, I am here to help you with this. May I know your name please?

USER: My name is Raymond Martinez.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Martinez, there is no reservation found as per your name to cancel it.

USER: Thanks.

ASSISTANT: You are welcome.