Misleading information

About 3 weeks ago i decided to do an upgrade. A lady from online sales phoned me and we sealed a deal which I was comfortable with. I took a honor x8a for R299 top up and a data deal for R150 where i will get 20gig of data 10 day time and 10 at night for a R179.00 per month. I got my phone last week Friday delivery went smooth. I phoned vodacom on regarding my one device i have not received the gentleman said it has not been dispatch yet. Yesterday I recieved a sms stating my order has beeb cancelled not sure why?? This morning I phoned vodacom to find out whats going on well I spoke to a lady wo misunderstood me the whole time than I got transfered to upgrades oh my was this lady rude and impatient, I`m trying to explain what is happening but she was not interested in helping me. My issue is right now with vodacom online sales. I`m very dissapointed in the way how i was mislead by this online sales lady. I `ve agreed on 20gig of data 10 night and 10 day with a pocked router for a R179 pm. Now vodacom cancellations just told me that I cannot take that packge cause its lower that what I `m currently having, my problem is that the lady from online sale did not tell me that, I feel this whole deal was *********, specifically choose that data option due to financial reasons. I have to say I`m very dissapointed and disgusted with the services i `ve recieved from vodacom employees. I`m a client of vodacom for more than 15+ years and this is the services I get :(