You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: I am Kenneth Roberts, I need to cancel my reservation as my schedule got cancelled. Can you please help me about that?

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

USER: Thank you.

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

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

ASSISTANT: You are welcome and have a great day.