I cancelled a call with her and now she does not call me back?

I was taking a class online and we hit it off with a teacher. She told me to take it slow because she had issues she needed to take care off. I kept asking for her number. Then one day I cancelled her class and texted her about how I feel. She did not allow me to schedule another class after that. I told her that I was sorry about that but I think it was too much. Not sure what to do now.

I cancelled a call with her and now she does not call me back?
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