Xsport fitness Elmhurst Illinois

I signed up with xsport July of 2016 they offered personal training and I wanted to get In shape so I paid for 4 sessions and I got one for free I scheduled and when I showed up the trainier I was a sign to wasn't even working that day so they had another trainer for that day that work the hell out of me..I went to the second session a week later the person that signed me up gave me a list of things the trainer was suppose to show me like wat to eat routines and other stuff he didn't show me a thing it was suppose to be hour session trainer only helped me out for 40 min a week later I got injured at work and wasn't able to go for a month and just stopped going trainers are suppose to b professionals this trainer wasn't he didn't show me wat I was told from the beginning he just worked me till I tapped out now it's been 4 moths since I been there and I'm still getting charged called customers service they told me I had to write a letter to an address they gave me witch I think is total bs shouldn't waist anymore of my time when there the ones been unprofessional I will like to get refunded for wat I paid for the training sessions witch was 184 and the 4 moths I didn't go witch is 39x4(156) witch is a total of 340