Диалог на ангийском "в магазине" !! помогите, срочно)))

в магазине одежды  -Can i help you ? -Yes, what size is this shirt ? -let's see. A small. What size do you want? - A medium. -This is a medium -Thanks. Where can i try it on ? - The changing rooms re over there. Thank you. -Haw is it? -it's fine. Haw much is it ?  -34.99 -Do you take American Express? -Yes, sir