Напишите диалог на тему магазин на англиском

- Hello, John! Where are you going? - I am going to the shop. My mother asked to buy milk and yogurt (кефир) - What she going to do with thar products? - She is going to bake a cake

-Hello! -Hello do you want something? -Yes I need bread,milk,cake do  you have? -Yes of course,that your purchase  you $ 3 -Thank you.Goodbye -Goodbye!