You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you for the day?

USER: I have made a reservation earlier, due to heavy floods at my destination, I want to cancel my reservation. Can you help me for cancellation?

ASSISTANT: Sure, we are happy to help you. May I know your name please?

USER: Sure, I am Christine Brown.

ASSISTANT: Ok, Christine Brown, please hold on a minute.

USER: Sure.

ASSISTANT: Thanks for being on hold, we are sorry to notify you that no reservation has found based on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks for picking us, have a nice day.