You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Anthony Williams. I would like to cancel my ticket as I am having examination. Can you please help me out?

ASSISTANT: Sure, please let me check for your reservation status in our website.

USER: Sure.

ASSISTANT: Williams, I have not found any reservation by your name in our website.

USER: Ok, no problem, thank you for checking.