Data forfeit

So I had data that expired on the 3rd Feb 2019. Normally i get an sms 2 days before to advise me to top up. I normally top up. I did not receive any sms to top up. The last sms I got was on the 21 December 2018. I lodged a query via the cellc app and a lady called rosemary called me back. She advised their is nothing she can do as she can see the sms was sent on the 3rd and on the 22nd and 26th Jan 2019 yet I received nothing. I lose my 2gb data cause I didn't receive the sms. I demand my data.be refunded as if you check my account u can see that I always top up before my data expires