Girls, Did I loose my chance for my crush?

There's this girl I had a crush on for a while and once I finally told her how I felt through text a long message she said is this a joke? She also said I have a hard time believing this and I'm not sure how to react then she told me maybe I should talk to her at school when I see her sometime I told her sure if I see her then she said you can just say hi if you want. I was supposed to been approached her but was too shy to do so I even walked passed her mutiple times I regret it badly so I made like an excuse like I couldn't find her and she responded oh it's alright Is there away I can fix this?

Girls, Did I loose my chance for my crush?
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