Terrible service

I ordered pizza and 2lt Coke last night at princess crossings, the delivery guy cam through I paid for my order and boom he gives me only pizza and no coll drink, I asked him where's my cool drink he responded he will bring it in no time, I further called debonairs and they said they will call me back till this morning.. No cold drink. No call.. I will never buy from Debonairs again this is the second time such is happening.. I was ordered pizza which I received 2 days later after complain a million times.. I want my ****en refund