Help, i cant have an orgasm during sex :( any tips?

I hate it. And even just a clitoral orgasm. With my ex he could make me cum by eating me out, but not everyone can do that, or if im still not able to with a new partner, its frustrating. Ladies who have had this same problem, how did you overcome this? Any tips or tricks would be helpful. Thanks. I want to be able to cum with my partner, snd let him know that im enjoying myself! Hes excellent in bed, i feel close but never hit that point. Ive never been able to. I can cum by being eaten out, and i can squirt, but thats all.