You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Nicholas Evans. I need to cancel my existing reservation, which is done recently. Can you please help me out?

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

USER: Thank you for considering my request.

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

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: You are welcome.

USER: Thank you for searching.