As we discussed in class, you can choose what form your dialogue takes.
You could have people insult each other or perhaps decelerations of love. The important things are that they are fictional (i.e made up characters) and should swear.
I've written an example below the photo.
"Who you calling stripy?" growled Tigger.
"You foul-mouthed miscreant!" snarled Horangi.
"I'll eat you and your mother too," sniggered Tigger, "lets get ready to rumble."
"I pity the fool who tries to take on me," scoffed Horangi, "you're going down."
The speech marks show where a person starts and stops talking. Each new character starts on a new line.