Dialogue 4 Asking permission

-Alex: Roger's got two tikets for 300 film on Friday. Can I go with him?
-Roger: Where's the film?
-Alex: In the park. I've got some money for the ticket.
-Roger OK. I suppose so.
-Alex: And can I stay at Marçal's house after the film?
-Roger: No, sorry, you can't.
-Alex: Why not?
-Roger: Because it's Dad's birthday on Saturday. Remember?
-Alex: Oh, yeah. I remember.