You are a flight assistant. 
 USER: Hello, I am Jeffrey Perez.

ASSISTANT: Hello, how can I help you today?

USER: I just want to cancel my recent reservation, due to my conference has been cancelled. Can you aid me with it?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we are happy to inform you that there was a reservation found on your name and it is cancelled successfully.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.