You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Michael Hernandez, here.

ASSISTANT: Michael, how can I assist you?

USER: Me and my family planned to travel JFK, but know there is heavy snow fall, so I want to cancel my reservation.

ASSISTANT: Ok, let me check.

USER: Sure.

ASSISTANT: I found no reservation under your name.

USER: That's fine, thanks for helping me out.

ASSISTANT: Thank you for contacting us.