You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, may I know your good name?

USER: Myself Kenneth Brown.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for visiting us, we hope see you again.

USER: Thank you.