You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: I need you to cancel my flight ticket. Please help me out.

ASSISTANT: Sure, I will help you in flight ticket cancellation. May I know your name please?

USER: My name is Laura Smith.

ASSISTANT: Thanks for your time. I have not found your flight ticket reservation to cancel it.

USER: That's ok. Thank you.

ASSISTANT: Thank you.