You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Jack Roberts here. I want to cancel my ticket due to dust storm in my place.

ASSISTANT: Sure, I will help you with that. May I know your name to proceed further?

USER: I mentioned my name.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: No problem, thank you.