Shocking

I recently ordered off the Mr D app - the restaurant of choice was John Dorys is the app showed 8 pieces California rolls and 6 prawn Avalanche. I placed my order upon receipt of my order it was halved 4 and 3 pieces only - I called to complain immediately. This was Saturday evening ... I received emails saying o will be contacted but have yet to receive any Resolution on this matter ! We order often from Mr D and this is shocking ....