Conversation Design
"Conversation design (CxD) is about defining the interactions between the user and a conversational agent, based on how people communicate in real life." cit.
Designing a (human-to-machine) conversation is mainly related to the linguistics (pragmatics, psycholinguistics, sociolinguistics) and the authoring/screenwriting. Google, with the famous CxD depth, lead by James Giangola et al, people that conceived Google Assistant UX, contributed few years ago to divulgate concepts now became "common sense" as: Voice User Interfaces (VUI) best practices, Grice's Maxims, botpersona, persona, multimodal conversations.
The conversation designer has a fundamental role in any enterprise team that build professional conversational agents/virtual agents.