Support Board is a WordPress plugin that helps you automate your customers’ communication with artificial intelligence-driven bots and a chat system integrated with the most-used platforms. Save time and use the software you already know and love. Communicate with your customers directly in Slack. Connect Dialogflow and use rich messages on the fly.
Demo: https://codecanyon.net/item/support-board-help-desk-and-chat/20359943
source http://www.codelist.cc/plugins/243098-support-board-v323-chat-wordpress-plugin-chat-amp-support.html