You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination, can you help me with cancelling my booking.

ASSISTANT: Sure, may I know your name?

USER: Thank you. I am Angela Collins.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation on your name.

USER: No problem,thank you for the information.

ASSISTANT: Thank you for reaching us.