TRI CITIES REGIONAL AIRPORT OFFICIALS SAY SLOW TICKET SALES HAVE GROUNDED NEW FLIGHTS FROM THE TRI CITIES TO MYRTLE BEACH, SOUTH CAROLINA. WITH FUEL PRICES RISING, REGIONAL CARRIER SOUTHERN SKYWAYS DOESN’T THINK IT COULD CARRY ENOUGH PASSENGERS TO BE PROFITABLE. THE NEW LOW-FARE SERVICE, OFFERED ON THE INTERNET THROUGH THE AIRLINE’S WEB SITE AT 59 DOLLARS EACH WAY, WAS SLATED TO KICK OFF ON MEMORIAL DAY WEEKEND. ALTHOUGH THE POPULAR VACATION DESIINATION IS WITHIN ONE DAY’S DRIVE, SOUTHERN SKYWAYS OFFICIALS THOUGHT IT COULD GET ENOUGH INTEREST FROM TOURISTS WHO DIDN’T WANT TO MAKE THE DRIVE.