Asked a girl out in person and she said yes. I dmd later and she hasn't answered. Is she interested or not?

I see this girl once or twice a week at the gym. I started talking to her a couple months back and she is very friendly. Since we had exams we didn't have time, but now I finished an decided it was timw to ask. She happily said yes and that we could text to plan. I warned that I was leaving in 1 day and I could only go out tomorrow and she said thwre was no problem.

But when I dmd her that same to make a clear plan, she hasn't responded. Its been like 20h and she knows Im leaving and hasn't watched my dms. Is she interested, playing hard to get or what? Or does she want me to write again to show interest?

Asked a girl out in person and she said yes. I dmd later and she hasn't answered. Is she interested or not?
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