You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Carolyn Lee. I want to cancel my recent reservation due to the heavy snowfall. Can you help me in that?

ASSISTANT: Sure, we are glad to help you. Please wait for a while I will check and revert back to you.

USER: Ok.

ASSISTANT: Unfortunately, we did not find any reservation on your name.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.

ASSISTANT: Have a nice day.