At the ticket office

Pau: Hello.
Xuni: I'd like two tickets, please.
Pau: Certainly. How old are you?
Xuni: I'm fourteen and my sister is eighteen.
Pau: All right. So, that's one adult and one child. That's 12.50 phouns altogether, please.
Xuni: OK. Here you are.
Pau: Thanks. Here's your change and your tickets. Enjoy your visit.