You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please assist me in cancel my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: Rebecca Moore.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Your previous reservation is available and I have successfully cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.