She's forgotten about you.
That's because you waited too long to call / text. This is the worst advice I hear men spew.
"Wait 3 days before you call her. Otherwise, you look needy."
DON'T. DO. THAT.
Following this advice will hurt you.
Taking her to expensive restaurants and movies is a terrible idea. You're not optimizing for a good first date. Let's talk about making a good one happen.