You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Patricia Moore here, I want to cancel my reservation which I have done long ago due to my schedule got cancelled. Please, aid me about it.

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Ok, sure.

ASSISTANT: Sorry Moore, there is no reservation found as per your name to cancel your reservation in your database.

USER: Ok, fine it might not be booked properly at the time of booking. Anyway thank you for the help.

ASSISTANT: Thank you for reaching us and hope you have a great day.