--- CONVERSATIONS 2020: Invitation to workshop on chatbot research --- Welcome to CONVERSATIONS 2020 – the fourth international workshop on chatbot research. The workshop is a place for researchers, practitioners, and students to share and discuss new knowledge and recent experiences on chatbot research and design. This year's workshop is arranged November 23-24. It is virtual and free of charge, hosted by the University of Amsterdam. The workshop program has just been published and includes … - excellent keynote talks – by Q. Vera Liao (IBM Research AI) and Björn W. Schuller (Imperial College London & Augsburg University) - engaging groupworks – on co-creation of chatbot concepts, a process for chatbot development, and chatbot ethics - exciting paper presentations – a total of 21 presentations across six thematic paper sessions. To read more and register for the workshop, please visit https://conversations2020.wordpress.com/ Also, please feel free to spread the word to colleagues, students or others who will be interested. Hope to see you at CONVERSATIONS 2020, November 23-24. Best regards, from the workshop organizers Asbjørn Følstad, (SINTEF), Theo Araujo (University of Amsterdam), Symeon Papadopoulos (Centre for Research and Technology Hellas), Effie L.-C. Law (University of Leicester), Ewa Luger, (University of Edinburgh), Morten Goodwin (University of Agder), Petter Bae Brandtzæg (University of Oslo).