Porting number to Vodacom got all messed up

I went into Vodacom Galleria store on Tuesday, 12/12/2017. I asked them to port my number from FNB to Vodacom. The chap there didn't seem too clued up, but we looked like we were winning eventually when some text's/pin numbers arrived. I was told the port would take place over night. Next day, nothing. Sim card still active on old network. I enquire at another Vodacom store today to find what is going on, only to be told that the chap at Vodacom Galleria set the port to take place on 11/01/2018 only, not immediately? What's the point when I want to port and sign a new Vodacom contract immediately? No one ever asked me for a port date. I need this port to happen immediately.