1 - покупатель
2 - продавец
1) Hello!
2) Hi! What you want to buy?
1) I would like to buy a toy for his son. (Я бы хотел купить игрушку для своего сына)
2) How old is your son?
1) He was 6 years old.
2) I would advise to buy him a toy car (игрушечная машина)
1) Good! I buy!
2) Take it! Thank you for your purchase! Goodbye! (Возьмите! Спасибо за покупку! Досвидание!)
1) Thank you! Goodbye!