You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Raymond Harris.

ASSISTANT: How can I aid you today?

USER: I want to cancel my reservation as I am no more interested to go on this trip, can you please help?

ASSISTANT: Sure, I can help you with that. Please let me check your reservation status.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no reservation found under your name to do cancellation.

USER: Never mind, thank you.

ASSISTANT: Thank you for choosing us.