Group discussion and screenplay

In this lesson, we got into groups of three to create a plan of our preliminary task. I work in a group with Holeigh Perkins and Becca Payne. We called our group, DENCH films. 

We decided to go with the idea that a boy would sit opposite a girl and tell an unfunny knock knock joke. Despite him finding it funny, the girl storms off and isn't impressed. 
This is the screenplay we are going to use for our preliminary task:

Interior: The Canteen: Midday

Dave walks through the canteen and into a room(within the canteen), then through the room and sits opposite Susan. Susan is sitting alone reading a book and is looking annoyed and upset. 

Dave: What's wrong? 
Susan: Nothing. 
Dave: Knock, knock.
Susan: Who's there? 
Dave: Dummy.
Susan: Dummy who? 
Dave: Dummy a favour and go away! 

 Susan doesn't laugh and stands up and throws a book at him. He looks around confused.