You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can aid you at present?

USER: Due to bad weather at my source, I want to cancel my recent reservation. Can you please help me for cancellation?

ASSISTANT: Sure, we are glad to help you with cancellation. To proceed further, may I know your name?

USER: Sure, I am Lisa Thompson.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thanks for your time, there was no reservation found on your name to cancel it.

USER: Ok, Thank you.

ASSISTANT: Thank you for availing us.