Can a person be baptized Catholic but get confirmed another form of Christianity? ?

I was baptized Catholic as a baby, but unlike my parents I am not Catholic. I'm not sure what other form of Christianity I am, but I think Methodist or Lutheran. Now I would of course go to that form of Christianities church a few times before I decided to be that form and do my research. I don't want to be two religions, I just want to be one don't get me wrong. But for example, could I be baptized Catholic and be confirmed as Lutheran. Like change forms of Christianity?