By Evan Dawson, Finger Lakes Editor In the days leading up to the recent announcement that Delta Air Lines will soon offer daily flights between New York City and Big Flats, Finger Lakes Wine Country President Morgen McLaughlin hinted at a "game changer." Marketing agents are hoping she's right: They believe this new connection will attract new visitors to the Finger Lakes.  Daily service between John F. Kennedy International Airport and Elmira Corning Regional Airport will launch in June. One flight will run each day, utilizing a 50-seat regional jet operated by Pinnacle Airlines. Tickets for future flights went on…