You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I have to cancel my recent reservation because our business meeting was cancelled.

ASSISTANT: Sure, may I know your name?

USER: Yes, I am Richard Nelson.

ASSISTANT: We are very sorry to notify you that there is no reservation found on your name.

USER: Ok, no issue. Thanks for your response.

ASSISTANT: Have a great day.