Unfair billing

I am a new uber customer having joined this week I used ?ber from my home Randburg to Sandton it was R81 and well it was okay. So today I request an uber from Fourways crossing to woodmead retail park to pick my sister outside Woolworths I found her waiting and picked her up an left to Randburg oak avenue we got home well an now I am chilling watching tv going through my emails and I see an invoice for my trip of R971 I have been unfairly billed so I take a look at an invoice says normal trip is R323 and surge is R640 something I quickly go on google to check what that means and I got the meaning but I was never in the hurry or anything I just wanted to pick my sister and we go home I could have used a normal taxi but having been introduced to uber I just requested it and I never expected a bill of about R1000 for a taxi fair I want my R600 and something back please I wouldn't have joined uber if I knew their local trips are about that much please refund my money as I am also going to present this to the ombudsman I cannot be ****** like this now it is a lot of money i just pressed my phone following prompts on how to request a trip I don't know a surge I don't know it I can't yooo