You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation, can you help me in cancelling my reservation?

ASSISTANT: Sure, we are here to help you. May I know your name please to proceed further?

USER: I am Debra Hill.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us, have a nice day.