We didn't meet Thelma in person but she was very easy to communicate with on email. Her cousin Takis welcomed us to the flat and everything went well. The flat was very clean, modern and comfortable with good wifi and a 5 minute walk to the nearest station. It's not right in the heart of things but it's only a short train ride to sights such as the Acropolis. There's a bakery nearby as well as plenty of convenience stores and shops.