You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you please help me in that cancellation?

ASSISTANT: Sure, we are ready to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Barbara Moore.

ASSISTANT: Thanks for providing your name, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with your specification.

USER: Ok, Not a problem at all.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your information.