You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please cancel my recent reservation?

ASSISTANT: Ok, may I know your name please for further process?

USER: I have reserved my flight ticket with in the name Lisa Johnson.

ASSISTANT: Ok, please wait for a moment. Sorry Lisa, there is no reservation found as per your name to cancel your reservation.

USER: Ok, fine. Thank you for your help.

ASSISTANT: You are welcome.