https://www.skillshare.com/classes/How-to-Start-a-Conversation-7-Easy-Steps-to-Master-Small-Talk-Conversations-Socializing-Skills/1900703730?via=browse-rating-small-talk-layout-grid Well, small talk in this case. It's online. Not sure if there are in-person classes. But, again, meetup may be a good alternative if the goal is "strangers" in particular.