You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please cancel my recent book ticket reservation?

ASSISTANT: Sure, I will help you in cancelling your flight ticket. Could you please let me know on whose name the ticket has been booked?

USER: Sure, Donald Brown is the name on which the ticket was booked.

ASSISTANT: Ok, please hold on for a while to find the reservation on the given name.

USER: Sure, take your time.

ASSISTANT: Sorry Brown, there is no reservation found on the given name. I believe your ticket has already been cancelled.

USER: Alright. Thank you for the information.

ASSISTANT: You are welcome. Thank you for communicating with us.