You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation, can you please assist me?

ASSISTANT: Sure, may I know your name?

USER: My name is Cynthia Johnson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Your previous reservation found and successfully cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.