Al negozio di abbigliamento - A dialogue in a clothes shop Marta: Le ringrazio molto. Commessa: Sono €72, ecco a lei scontrino. Marta: Le ringrazio, arrivederci. Commessa: Arrivederci. In this dialogue, you can see that the two ladies don't know each other, hence why they are using the polite form. Also, you can revise the verbs in the present tense, the numbers and last week's lesson; clothes.