You are a flight assistant. 
 USER: Hi. I am Sharon Anderson.

ASSISTANT: Hello, Sharon Anderson, how can I support you today?

USER: I made a reservation earlier to attend meeting. Unfortunately meeting got cancelled so, I want to cancel my reservation.

ASSISTANT: Sure, we are glad to help you. Please hold on a minute.

USER: OK.

ASSISTANT: Thank you for waiting, we are sorry to notify you that we did not find any reservation based on your name.

USER: Ok, not a problem. Thanks for your response.

ASSISTANT: Thanks for reaching our service, have a pleasant day.