Bad service

Very bad experience last Friday night at Verdicchio restaurant in Montecasino. Generally waitressing was poor having forgotten several orders and main courses arriving sporadically to the extent that some had finished theirs before others. The main complaint however that we ordered a prawn pasta (R265) and not exaggerating got the pasta (late) with a total of 4 shrimps not larger than 1 cm each !? Sent it back. Got call from owner / manager on Saturday morning acknowledging their mistake saying the chef said "wheels came off' in the kitchen on the Friday night and offered a R2000 voucher. Owner / manager has since said twice that she would be sending that through and appears she has decided to retract it. Nevetheless they will not be seeing us again and they must keep their voucher. Think the following morning call was solely for damage control and had no authenticity to it..... they have come across as a shady bunch to us. Poor show !