You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Paul Green here. Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to cancel my reservation. Can you please help me in that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check the reservation list and get back to you.

USER: Ok.

ASSISTANT: Sorry Paul Green, there is no active reservation on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you.