You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Kevin Parker.

ASSISTANT: Ok, wait for a moment please.

USER: Sure.

ASSISTANT: Sorry Parker, there is no reservation found as per your name to cancel it in your database.

USER: No problem, thank you for checking.

ASSISTANT: You are welcome.