You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I am happy to help you with that. Can I have your good name please to check your reservation status?

USER: Sure, my name is Deborah Nelson.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you that no reservation has found under your name to cancel.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for  choosing us, have a good day.