Bad service

I didn't receive monthly data on the 14th as I normally do...the 14th was monday...I called MTN on Thursday the 17th to ask what happened,I was told that they were investigating and I should get data in 2-24 hours was given a ref num... ********** 91..then I called again onthe 18th I was told they'll do a follow up was given another ref num ********** 0 and 1- ********** 6051 and told the same **** of 2-24 hours...I called on the 19th again and was told people for that department are not working on weekends...I called yesterday again they told me the matter was worked on I should receive data in 2-24 hours..i even asked for numbers where I can lodge a claim for bad service ********** ..and guess what...I had to call them again.I spoke to a consultant telling me the matter is worked..but there's no resolution she'll have to lock it again onthe system...I asked to speak to her supervisor.I spoke to the lady she also couldn't help she told me that the system is off line...she tried to give me courtesy data for today and they system didn't agree I told her to leave the courtesy data and give me what m paying for...she said I should call again tomorrow if nothing happens ref num ********** 04...then I called that number of ********** the lady I spoke to she said only customer service call center can help me...they can't do anything from their side....Please assist