You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am William Evans, I need to cancel my reservation as my schedule got cancelled.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Sorry, no reservation found on your name.

USER: It's ok, anyway thank you for the information.

ASSISTANT: Welcome, have a nice day.