<human>: We've been dating about a month and a half now. We had been getting along great and had gotten intimate after the 3rd date. We've gotten far enough to the point where we're introducing each other to our own social circles and were texting daily. Earlier this week though, she just stops out of the blue. 

Normally I wouldn't be worried about a fade or whatever, if it happens it happens, but we had both agreed in person to go to an event on Friday that I had paid for (Her tix was only $20 but more about the principal) which caused me a bit of concern. So I had sent her a text on separate days just sorta casual small talk to the point she was sitting on 3 text messages. Again, normally I'd be fine with just walking away and be the 'better man' but I felt the need to sorta give her a small piece about not reneging on a paid event like this without warning so late in the game after agreeing especially since it would be difficult for me to find a replacement date on such short notice so I sent her one last text stating such.

Of course, within minutes she replies about how she had been in school all week, she's sorry, and that she really wants to go. I know it's her midterms week but seriously, 3 days to reply to a single text? I'm just not biting fully. I did like her, I could see us getting serious, but at this point a piece of me doesn't want her to come anymore. I know I'm not in the wrong no matter what since I paid for it but I'd hate to renege on the invite since TECHNICALLY she's not in the wrong, not anything I can prove anyway. So I dunno, I don't want to go alone but I don't think anyone else I know would be available for that night. Am I just overreacting?

Condense the text into a few key points
<bot>: Talked a lot, she stopped, I called her out, she wants to come but a piece of me just wants to be done with her.