You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could 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 in that?

ASSISTANT: One moment please, I will check and get back to you.

USER: Sure.

ASSISTANT: Unfortunately, we did not found any reservation on your given name. Can I know your name please?

USER: Rebecca Jackson is my name.

ASSISTANT: Thank you for choosing us.

USER: Thank you.