You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Do you need any help from my side?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you with that one.

USER: Thanks.

ASSISTANT: Can I know your name for checking purpose?

USER: My name is Justin Lopez.

ASSISTANT: Please allow me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight reservation obtained under your name in our data base.

USER: Anyway, thanks for the information.

ASSISTANT: You are most welcome.