I would suggest to write her from time to time, but from my experience, her current actions/behavior are/is a foreshadowing of future unreliability. That's a big red flag. I don't know her, don't know all of the details, but I'd say that if you really like her (which it sounds like you do) write her another message, call her..try to contact her. If she continues to avoid you just move on to greener pastures my friend.

Nathan