The context of the following conversation is Alex had to stay late and missed the school bus, so Alex walked home from school one day.:
Alex says I'm so tired from walking..
The friend responds How long have you been walking?.
Alex responds I walked all the way home from school..
The friend responds You didn't have a ride to take you home?.
Alex responds No, I missed the bus because I had to stay late..
The friend responds The school should arrange transportation for students that stay late..