Dyed my hair a few days ago and I NEED to go back next week? Too soon?

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So I went and got my hair bleached ( dark brown to blonde) but ofcourse it want what I expected. The lady said to wait and week a go back. ( not sure what she's going to do) My question is, is it too soon? I mean I need my hair done by next week because it my bday and im going out of town but then again I don't want my hair too damage😕😕😕