You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. By what way shall I help you out?

USER: I am Donald Brown. I need to cancel my recent reservation due to cancel of my brother's daughter engagement.

ASSISTANT: Ok.

USER: Can you please help me with that?

ASSISTANT: Sure. Give a minute, I will check the list with your name whether you have reservation or not.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a reservation on your name and it got cancelled. Thank you for opting us, have a nice day.

USER: Ok, thank you for cancelling my ticket.