This paper outlines the motivation for, and the development of, an online advisement scheduling system, OASIS, which will be used in the Computer Science Department at the University of Nevada, Reno. OASIS will allow students to schedule an advisement sessions with an advisor by way of the internet anytime day or night. This project has the application of being distributed to every university nation wide and ultimately generalized into a broad scale online scheduling system that can be used by many different businesses. It further discusses the specific requirements, functional and non-functional, with the aid of the Unified Modeling Language (UML). Directions of further development are also described.