You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Edwards.

ASSISTANT: How may I guide you?

USER: I would like to cancel a flight ticket which has been booked earlier this week.

ASSISTANT: Sure, please hold on for a moment, let me check. I am sorry, there are no reservations with your name.

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

ASSISTANT: Thank you, have a good day.