Bad after sales form pick n pay

Good day i am verry disappointed with pick n pay montana i have bought a new whirlpool Wasing masjien on saterday 30-06-2018 they dilliverd it on the monday but it was full of dents i phoned them and they dilliverd another Wasing masjien on the wensday but this one also have dents then they told me it is supposed to be like that i have told them i am not happy with it on Saturday i went to the store and explain to the sale person that i am not happy with the masjien with dents as this is a new masjien and must not look like this he said he will refund me but my problem is i need a washing machine he said i must not use itbut i cant because that why i bought i washing machine to wash my clothes i told the sale person that the general manager must phone me but till nowhe haven't done so