You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you?

USER: My name is Raymond Hernandez.

ASSISTANT: OK.

USER: I want to cancel my recent reservation.

ASSISTANT: Sure Raymond, I will help you in cancelling but please give me a moment. Sorry Raymond, there is no reservation matching with your good name to cancel further.

USER: Sure, thank you.

ASSISTANT: Thank you.