LG SPLIT AC FIVESTAR
NO PROPER SERVICE

I HAVE LG SPLIT FIVESTAR AC, I BOUGHT IT BEFORE 2 YEARS LAST YEAR THEY CAME DID SERVICE IN JUNE. THIS YEAR I CALLED THEM SOMANYTIMES FROM 1st WEEK OF APRIL THEY HAD NOT CAME YET DAILY THEY ARE SAYING TOMMOROW. NOW DIFFERENT SMELL IS COMING FROM A/C AND COOLING IS INEFFECTIVE.PLEASE HELP ME