Aria was very easy to work with, and answered all questions quickly. The apartment was beautiful, and their friends Christophe was there to help and explain all the intricacies of the apartment. We knew what we were getting into, but, be warned the 4 flights of stairs are very real, and the old building has low ceilings. This shouldn't stop you from renting this charming place though. The location right next to the metro and the RER to the airport cannot be beat. My friends and i loved our stay.