Part-time virtual assistants help their employers with administrative tasks and other job duties. They do not go into the office; they complete all of their tasks from home or another location outside of the office. Part-time virtual assistants may not even work in the same city or state as their employer. There are agencies that have part-time virtual assistants on staff to fill employer job requests for virtual assistants. As a part-time virtual assistant, your specific job duties vary, depending on the company and industry. In general, a part-time virtual assistant responds to emails, arranges appointments, and returns phone calls for their employer. They also set travel plans, book tickets, and make travel reservations. Other job duties include organizing electronic files, editing presentation documents, and assisting with the creation of PowerPoint presentations or other sales materials. Part-time virtual assistants typically work thirty hours or less a week.