We took our 6 year old daughter here for her birthday dinner.
It was busy and we had an hour's wait before we were seated, which we used to check out the shops (note: the pagers don't work outside the immediate 4/f area of the Ala Moana shopping centre.)
Once seated, the service was lovely from Brooke. The pizzas were wood-fired and just fine - both the deep pan and the thin crust ones. We had a couple of decent glasses of wine. Free refills on 'sodas'.
California Pizza Kitchen is unlikely to change your life, but it is very good at what it does. You will leave with a full tummy, having enjoyed the food on the way down. Price-wise it is about average.