Assistive living technologies can help the elderly and the people with disabilities with their daily life. The smart building solutions provide means to implement these systems in homes and can offer valuable applications, for example, an alarming service notifying relatives in case of irregular behavior. However, different systems are generally not able to intelligently communicate with each other, decreasing the usability of such technologies. We propose a new kind of general smart building system model aiming for flexibility and interoperability by offering different parts of the system to behave and cooperate intelligently. We present our implementation of the system with an anticipation method for the lighting control. It anticipates user's intention to enter to the space and thus removes the general system delay and offers more comfortable experience for the user.