Engin helped us out on pretty much everything. You just message him and you will receive a proper response right away. We got stuck at the airport for collecting luggage (pram of the baby was lost somewhere) and this delayed the whole process. The driver had almost left the airport when Engin called him and asked him to come back and pick us up. The accomodation was clean and worm in hard Turkey winter. Great for families.
Long story short, he is reliable and responsive. I absolutely recommend Engin.