You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

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

ASSISTANT: Sure, may I know your name?

USER: I am Amanda Moore.

ASSISTANT: We could not found any reservation on your name.

USER: No problem. Thank you for the information.

ASSISTANT: Thank you for opting us.