This document describes an online parking booking system. The system aims to help drivers efficiently find and book parking spaces, especially in metropolitan areas where parking is scarce. It allows users to search for and reserve parking spots online through a web application. Parking owners can also add their locations to the system. The document outlines the objectives, modules, advantages, and high-level design of the system, including use case diagrams and activity flows. It proposes that the system could help reduce traffic from drivers circling for parking and make the booking process more convenient.