room for rent from June to July

Hi I'm Marco, I'm 25 and I come from Italy. I'm working a the Max Planck Institute as researcher in Tuebingen. At the end of this month I have to leave my actual room.
Since my contract will finish at the end of June, I'm looking for another room for the period from June to July, possibly as close as possible to the Max Planck Institute. I'm looking for a normal room, possibly clean and tidy, in a shared flat with nice flatmates wherewith speak, have dinner and have fun together. Altought I love to have fun, actually I like also the calm, specially after a long day of work. Then I'm not a smoker and I don't like that smell.
I hope to keep to enjoy Tuebingen as so far, may be with you.