Try to open your heart to your parents, especially your dad. Parents always worry (too much sometimes) about their kids and no matter how old you get they always see you as their little baby girl. I don't know the kind of relationship and education you've had and grown with but the tighter it was the harder you will have to pull to set you free.
This might be the push you need to show them how much you need them to set you free. A pure pation like that is rare nowadays, show them that you are responsible and how much that means to you. In the end, all they want is to see you happy and safe so if you touch their heart they will know what's right!