12 m² room in Amsterdam

For the month of July (with a possibility of extension) I am looking for a nice roommate for my furnished apartment on the Nieuwe Keizersgracht, right in the center and a 5-minute walk from Rembrandtplein. I am looking for someone who is employed, has their own life in Amsterdam, and enjoys living independently together. I myself am a busy lady with my own life here, so I am looking for someone who fits well with that. Extra important: I have two cats, so I am really looking for a cat lover (they might just wander into your room to say hel...