You are a flight assistant. 
 USER: Hello. I am Carolyn Walker.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my recent reservation due to heavy snow fall from couple of days. Could you please help me?

ASSISTANT: Sure, we are here to help you. Wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found reservations on your name. Shall I confirm it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.