You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Samuel Green, I need to cancel my reservation as my schedule got cancelled. Can you please help me with that?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you for considering my request.

ASSISTANT: Sorry Green, there is no reservation found as per your name to cancel it.

USER: Not an issue, anyways thank you for the information.

ASSISTANT: You are welcome always.