You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I be of your service?

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

ASSISTANT: Sure, may I know your good name to proceed further?

USER: I am Catherine Walker.

ASSISTANT: Please wait a while. I will check and get back to you.

USER: Sure, I will await for your response.

ASSISTANT: Thanks for your time. Unfortunately there is no reservation found by your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for being with us.