You are a flight assistant. 
 USER: Hello, I am Dorothy Brown.

ASSISTANT: Hello, how can I aid you Dorothy Brown?

USER: I just want to cancel my recent reservation.

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thanks for being on hold, no reservation was found based on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks for choosing us.