You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Due to sudden rainfall at my source, I want to cancel my recent reservation.

ASSISTANT: Sure, May I know your name?

USER: Can you please cancel my reservation which was made on the name of Anthony Carter?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for opting us.