Imagine a virtual assistant that could guide you through the complexities of a cutting-edge scientific experiment. That's precisely what researchers at Oak Ridge National Laboratory (ORNL) have developed with the EQ-SANS Assisting Chatbot (ESAC). This innovative tool leverages the power of large language models (LLMs) and retrieval-augmented generation (RAG) to simplify neutron scattering experiments at ORNL's Spallation Neutron Source. Neutron scattering is a powerful technique for probing the structure and dynamics of materials, but it requires specialized knowledge and intricate control systems. Traditionally, researchers have relied on extensive manuals and expert training, which can be time-consuming and create barriers for new users. ESAC changes this by acting as an interactive reference manual, scripting assistant, and general information resource, all within a user-friendly chat interface. ESAC's capabilities are truly impressive. It can explain complex script commands, generate full experiment scripts from natural language descriptions, provide safety protocols, and even offer troubleshooting assistance. This 24/7 availability is a game-changer for researchers working around the clock. The development of ESAC has far-reaching implications. By simplifying experiments and making them more accessible, it opens doors for a wider range of researchers to use neutron scattering. This not only increases efficiency but also fosters a more inclusive research environment. ESAC's success at ORNL paves the way for similar AI-powered tools to be implemented at other large-scale scientific facilities, ultimately transforming how scientists interact with complex instruments and conduct groundbreaking research. The future looks bright, with plans to expand ESAC's functionalities to include automated data reduction and analysis, further boosting scientific productivity.