Dialog with Modal Auxiliary - The Stubborn

Ella     : Oh my god, this assignment is so difficult . We should do it together!
Ismi     : Aaaa~ That’s a great idea..
Ella      : Let’s do it in my house tonight, but.... I need laptop?
Ismi     : You can borrow my laptop Ella!
Ella      : May I?
Ismi     : Yes, you can borrow it. By the way will you come to join with us roro?
Roro    : No, thank you. I will do it in my house because I could be tired if go there!
Ismi     : Let’s join with us. It will be better.
Roro    : NO!!! I do it own, that is much better.
Ella     : Are you sure?
Roro    : Yes of course. I prefer to sleep than to do assignment.
Ella     : Oh no. Don’t be like that. Your assignment is more important than sleeping
Ismi    : How about in park? You do come over, don’t you?
Roro   : Well, I wanna join with you.