You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Nancy Allen. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Ok, sure.

ASSISTANT: Sorry Nancy, there is no reservation found with your name in our records.

USER: Ok, fine thank you for checking..

ASSISTANT: Most welcome.