An online assistant, often referred to as a virtual assistant or AI assistant, is a software program or system designed to provide support and perform tasks for users via the internet. Online assistants can perform a wide range of functions, including answering questions, providing information, scheduling appointments, and assisting with various online tasks. They can be chatbots, voice-activated assistants like Siri or Google Assistant, or more advanced AI systems like GPT-3.5, such as the one you're currently interacting with. Online assistants are used in customer service, automation, and various other applications to enhance user experiences and streamline tasks.