The context of the following conversation is Casey was making dinner for their parents so she came and got what she needed in the shop.:
Casey says I plan everything down to the last letter..
The friend responds What are you working on?.
Casey responds I was making dinner for our parents so I went and got what I needed in the shop..
The friend responds Everything smells really wonderful..
Casey responds Do you want to stay for dinner?.
The friend responds I was waiting for an invitation..