You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning. How may I assist you?

USER: My business meeting has been cancelled. So, I would like to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, May I know your name for checking your previous details reservation?

USER: Sure, I'm Sandra Anderson.

ASSISTANT: Please, wait a moment Anderson let me check the details.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name. Thank you for reaching us.