Ok my four star rating for this restaurant is likely a little soft. However this is also the cheapest full service restaurant in downtown Calgary. The challenge Calgary has is that the only food choices downtown are fast food, and pretentious haute cuisine. The spaghetti factory is the ONLY mid priced restaurant I've found near my workplace and hotel.
I was there twice this week once for the chorizo manicotti and the lunch sized lasagna. The manicotti was decent. The lasagna was about mediocre. Par for the course.
For dinner, the service was great. I Had a server who was helpful and chatty, and the hostess looked like my wife's best friend.
For the lunch, the restaurant was pretty full so service was a little slow. But I was there with a couple of regulars, so our drinks were kept full, and fresh bread was plentiful.