Why don't dates work for me unless they're hookups

I'm looking for a more serious relationship but I'm really struggling with dating.

I'm often super nervous and can be a little awkward so put off the idea of actually going on an irl date.

The only times I've been in a somewhat successful relationship I've met up just to hookup and things have gone from there. I wish I could have this kind of success without the hookup bit!

I have been on a couple of dates, but it never seems to work that well for me.

Does anyone have any advice?