You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Carolyn Roberts.

ASSISTANT: How may I assist you?

USER: Due to heavy snowfall, I could not travel. Please cancel my reservation.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Carolyn, no reservation has been found on your name in our database.

USER: Its ok, I guess I made a mistake while booking. Anyways, thank you for the information.

ASSISTANT: Thank you for approaching us.