You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

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

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

USER: I am Mary Anderson.

ASSISTANT: Ok,  please wait a  moment.

USER: Ok.

ASSISTANT: Sorry Mary Anderson, no reservation has found under your name to cancel.

USER: No issues, thank you.

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