text: Brandon: Mom, I forgot the keys!
  Mom: Grrrr...again?
  Brandon: I was leaving so fast, I didn't want to be late for school.
  Mom: Well, I'm already on my way to work. 
  Brandon: So what now?
  Mom: Come by my work after school to pick it up.
  Brandon: How will I find you?
  Mom: Just write me when you get to the reception. I'll come down.
  Brandon: Ok, thanks. Bye.
  Mom: Bye
target: Brandon will write to Mom when he gets to the reception.