You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Please inform me how can I best support you now?

USER: I want to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, I can cancel you reservation right now.

USER: Thank you.

ASSISTANT: Before that, I need to know your good name please?

USER: Myself William Jackson.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: We are sorry to notify that, there is no active reservation found on your name to cancel it.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for choosing us, wish you a happy day.