You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, we are here to help you with cancellation. Let me know your name.

USER: Sure, I am Jack Wilson.

ASSISTANT: Ok,please wait for a moment.

USER: Sure.

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

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for opting us.