CHAI: A CHatbot AI for Task-Oriented Dialogue with Offline Reinforcement Learning Siddharth Verma author Justin Fu author Sherry Yang author Sergey Levine author 2022-07 text Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication verma-etal-2022-chai 10.18653/v1/2022.naacl-main.332 https://aclanthology.org/2022.naacl-main.332/ 2022-07 4471 4491