-Hello! What do you want?
-Hello! I want to buy 2 pens and 3 pencils.
-O! Welcome! We have got exellent pens and pencils! Do you want to buy some of them?
-Yes, I want to buy it!
-Please, give me 2 green pens and 3 yellow pencil!
-Yes, of course! Please!
-Thank you very much! Good bye!
-Good bye!