Explore the challenges and strategies of designing natural language interfaces in this 55-minute conference talk. Learn about the growing importance of AI personal assistants like Alexa, Google Assistant, Siri, and Cortana, and discover how to create user-friendly voice interfaces. Delve into topics such as interpreting speech nuances, handling slang, and balancing between natural language and simple commands. Gain insights on voice search trends, daily usage statistics, and future predictions. Examine best practices for designing voice user interfaces, including sample dialogues, flow visualization, confirmation techniques, and discoverability. Prepare your bots and apps for the voice-driven future of user interaction.