You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my recent reservation because my trip got cancelled. Can you help me in cancelling?

ASSISTANT: Sure, I will help you with the flight ticket cancellation.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Laura Gonzalez.

ASSISTANT: Thanks for waiting. But I regret to inform you that that there is no reservation on your name.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you.

USER: Welcome.