You are a flight assistant. 
 USER: Hello. I am Virginia Clark.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my reservation due to bad weather conditions, help me in cancelling my reservation.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we did not found any reservation on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for availing us.