THEM: i'd like to have the hat and the book please, kindly thank you  YOU: sorry, i need the hat. i would be willing to offer you the book and 1 ball  THEM: i don't think i can do that. i really need that hat.  YOU: i need the hat too.  THEM: no chance of you not getting the hat?  YOU: sorry i cant make a deal without the hat  THEM: same. no deal without the hat.  YOU: sorry we couldnt reach a deal  THEM: i'm sorry too. no deal reached.  YOU: agreed. no deal.