20 year old girl looking for accomodation in copenhagen from september 2018 till december 2018

I'm looking for a room or a studio (aerea Rosenborg Slot, city centre) as an Erasmus exchange student. I would like to have my own bathroom and the possibility to cook.  I do not smoke or drink alcohol, I'm sporty and I study psychology in Louvain. I like travelling, tennis, fitness, walking.... My friend is also looking for a room in the same period. It would be nice if somebody had two seperate bedrooms for rent in the same house.