This practical course teaches design and development of intelligent conversational AI systems for customer service and internal operations. Students learn dialog management, intent recognition, entity extraction, context handling, and multi-turn conversation design. The course covers platform selection, integration strategies, personality design, and continuous improvement through conversation analytics. Participants develop expertise in building chatbots and virtual assistants that handle complex queries, escalate appropriately to human agents, operate across multiple channels, and deliver seamless conversational experiences at scale.