You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Lisa Jones. I need to cancel my reservation due to my trip got cancelled. So please help with that.

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

USER: Thank you.

ASSISTANT: Sorry Jones, there is no reservation found as per your name to cancel your reservation.

USER: Oh! It may not be booked properly. Anyway, thank you for your time.

ASSISTANT: You are welcome always.