This Guidance helps you build and manage an artificial intelligence (AI)-based conversational workflow using a single user interface (UI) through the Conversational Designer by NLX. NLX implemented an AWS Cloud-based architecture that offers human-like interactions through AI-driven voice and text conversations. Airlines and hotels can use this Guidance to help travelers book reservations, check in, confirm their flight status, and more—all through conversational AI. The reference architecture can integrate with existing third-party booking and passenger service system (PSS) systems.