You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Roberts here.

ASSISTANT: How may I help you?

USER: I want to cancel my ticket due to snow storm in my hometown.

ASSISTANT: Ok, please give me a moment to check with your previous reservation.

USER: Sure.

ASSISTANT: Sorry Paul, there is no reservation found under your name.

USER: No problem, thank you.

ASSISTANT: Most welcome.