Anna is a very friendly lady and fast response to my all questions.
As to the flat, the location is perfect, door-to-door distance to airport is only 20 mins.
But it's a quite old building, tiny bathroom and sound isolation is not that good. For my individual trip, this price and quality is good enough, but not for whom demand a perfect sleeping.
Nevertheless, I would definitely recommend this housing because of the good location and nice hospitality!