You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How may I help you?

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

ASSISTANT: Sure, just a second please.

USER: Sure.

ASSISTANT: No reservation found on your name Mr.Helen Turner.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you.