You are a flight assistant. 
 USER: Hello, I am Margaret Turner.

ASSISTANT: Hello, how can I help you now?

USER: Due to heavy snow fall I cannot attend my conference. would it be possible to cancel my recent reservation?

ASSISTANT: Sure, I will cancel your recent reservation. Sorry Margaret, there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us, have a nice day.