You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Anthony Moore here. I want to cancel my ticket due to avalanche in my place.

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Ok.

ASSISTANT: Sorry, there are no reservations found.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.