Lack of service

I took my siblings from Cape Town for breakfast at my local Wimpy,as its a 2min walk from home.As we walked in,we stood at the door nobody attended to us,almost all the waitrons looked at us.We seated ourselves at a dirty table with leftovers on it. We then waited approx 15mins then I had to go to the front to ask for a waitron,10mins later the cashier came & cleaned the table, still no menus and no waitron for the table. Eventually we got a waitress & menus. Ordered 2breakfasts & 1 chicken baguette, asked the waitress to replace the bacon with an egg & add mushroom sauce, she said ok. 20 minutes later when the breakfasts arrive, waitress informs us, she cant replace the bacon. We asked if she cud bring the bacon on a side plate then. She then brought the chicken baguette, then forgets the mushroom sauce & the bacon, Half way thru our meals, I had to leave my food & go ask for the bacon & sauce. We received the bacon & not the mushroom sauce.the mushroom sauce was thick and floury,wen I flipped the bowl, the sauce didnt even move a drop. Asked for the bill,we left money in the cover and walked out,we were close to the door,we cud have walked out without paying & anyone noticing