Why would a girl avoid being straight forward with a guy?

I met a girl and I expressed to her that I wanted to get to know her, i mentioned that if she wasn’t interested that it was all good and to take it as a compliment that I found her attractive. She said she would really like to get to know me too and smiled. As time went on the first time I asked for her availability through text, she said she was busy that week and that she’ll try to reach out to me again next week. I took it as a no.

A week went by, and she reached out. Said she was sorry for taking a week to reach out since she was busy. She said she probably wasn’t going to be able to hang out during that part of the semester (we’re in college) but asked if we could hang out in the middle of the semester, literally 2-3 months from that day. Yeah it sounds ridiculous.

I politely replied by saying “that’s fine, good luck with the semester and things going forward, if you’re interested in the future let me know”. She replied later that night, I think drunk cause of the amount of typos, and said that she was going to reach out the following week and that she was sorry for the wishy washy answers from her. I didn’t reply.

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Ran into her a few days later and she looked nervous when she saw me and walked a different direction fidgety. After that I avoided her for the day and I didn’t approach. A week went by and I wanted an answer even if it was a no. I gave her a plan to hang out when she came from her trip and she said she’ll think about it and let me know. I replied saying that this wasn’t a yes or no and that I needed an answer also that I didn’t take things personal if it was a no. She replied that she’ll let me
Why would a girl avoid being straight forward with a guy?
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