You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, may I know your name?

USER: Jerry Smith here.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Your reservation found on your name and successfully cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.