In case of such inconveniences, the airline is obligated to inform the affected passengers of the situation. Please get in touch with the airline to find out how they will compensate and provide assistance. To read the applicable legislation in Turkey about the rights of air passengers, the situations where these rights can be exercised, and the minimum rights in case of denied boarding, cancelled or delayed flights, please click the link:
http://web.shgm.gov.tr/doc4/shy-passenger.pdf