Atelier is more than an e-commerce theme. It provides great theme options and a page builder to create diverse layouts with customized styling, which makes it suitable to create a product showcase website.
Essentially a dating website on WordPress contains membership and social networking plugins. But to add the maturity of a website like Match.com, you need to add features which can set you above the rest.
To set up event management service business, you need to setup your WordPress site, with the Event Espresso Plugin. The plugin configuration and some customization can even allow you to set up a paid event management service.