You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jack White here.

ASSISTANT: How may I assist you today?

USER: I want to cancel my ticket due to snow storm in my place, could you help me out?

ASSISTANT: Sure, I am here to help you with that. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found based on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.