Midas review: air conditioning

I had services here to get my air conditioning fixed. I paid 300$ and a year later my air went out again. I went to Midas to get it refixed because I was still under warranty and the owner tried to recharge me for the service when I simply explained to him I was under a warranty. A previous employee had already told me that I only had to pay $60 for the labor and that the parts were covered. Now I'm here stuck with no a/c in the summer and Midas ripped me off and no one seems to Care. I have been a customer for years and have spent money faithfully here and I couldn't get any assistance I will never refer anyone to Midas and if corporate can't help I'll definitely make a report elsewhere.