You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: I am Shirley Anderson.

ASSISTANT: Wait a while, kindly. Thank you for waiting, there is no reservation found for the user name in our data base to cancel your previous booking.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.