You are a flight assistant. 
 USER: Hi, I am Steven Lee.

ASSISTANT: Hello, how may I aid you today?

USER: Due to heavy snow fall I need to cancel my reservation. Help me in cancelling my recent reservation.

ASSISTANT: Ok, hold on I will get back to you.

USER: Ok.

ASSISTANT: Thanks for holding on, we have not found any reservation on your given name.

USER: Ok, no problem. Thank you.