Check out their menu and the photos.

It's classy, cozy and you will need reservations. If it is just you, then you can sit at the bar.

I took Fredyo there and he seemed to enjoy it.

Link: https://www.bing.com/search?q=dish+osteria+and+bar+pittsburgh+pa&cvid=97be936fbb744a89a5828d8aadbd3ce1&gs_lcrp=EgRlZGdlKgYIARAAGEAyCQgAEEUYOxj5BzIGCAEQABhAMgYIAhBFGDsyBggDEAAYQDIGCAQQABhAMgYIBRBFGDsyBggGEEUYPDIGCAcQRRg9MgYICBBFGDzSAQg4MjQ0ajBqNKgCCLACAQ&F