unproffessional

I paid for a package for my lessons, the first lesson was great. they postponed my second lessons that was fine. come the second lesson it was terrible and I told the owner he got my point and said he will organize the next lessons and get back to me I waited called sent sms's but know one got back to me instead the owner is avoiding me. I needed to do m license before end of May because my learners was expiring end of May. now what is my refund because I cant bring back my time wasted.