contoh dialog asking for attention untuk 3 orang

In the classroom Alex want to ask his friend to join his party, but the problem he don't know how to do that.
Alex : " hey josh i want to ask our friend to join my birthday party, could you help me?"
Josh : " what do you mean? i don't know how, they are to loud, but i think there is someone could help you".
Alex : " who is that?"
Josh : " he is John, he could help you, but wait i will call him first. hey John could you come here?"
John : " Of course, I will go there".
after he arriving to josh and Alex desk
John : " hey Josh, why you call me?"
Josh : " Alex need your help, could you help him?"
John : " hey Alex, can i help you?"
Alex : " Sure could you ask our friend to come to join my birthday party?"
John : " okay, hey friend could you be quite please? i want to ask everyone to join to Alex birthday party".
Friends : Sure we will join Alex birthday party, thank you Alex".
Alex : " You're welcome, thank for your attention, thank a lot John and Josh, you're my best friend".
Josh and John : " you're welcome".