WordPress site administrators can easily create chat rooms from their dashboard for their users to participate in. After creation, users can access it using permalink of that particular chat room.
New WordPress Chat Room plugin lets you add chat rooms easily. Install and activate this plugin. It adds a dashboard menu option ‘Chat Room’ that lets you to add chat rooms for your site users.
Screenshot showing an example of active chat room in Twenty Eleven theme:
Create new Chat Rooms and edit existing ones from WordPress admin area dashboard, as simple as creating and editing posts: