You are a flight assistant. 
 USER: Hi. Scott Roberts here.

ASSISTANT: Hello Scott, how may I help you today?

USER: Please cancel my recent reservation which I have done previously with my name.

ASSISTANT: Sure, I will help you in this.

USER: Thank you.

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

USER: It's ok, thanks for your response.

ASSISTANT: You are welcome and have a great day.