You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Due to heavy snow-storm my event which was to be held was cancelled.

ASSISTANT: Ok, how may I help you?

USER: For that I want to cancel my recent reservation.

ASSISTANT: Sure, may I know your name?

USER: I am Barbara Smith.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time, we did not find any reservation with your name.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for choosing us, have a nice day.