Dialogue: Phoning a friend

Franc's mum: Hello?
Silvia: Hi, it's Silvia. Is Franc there, please?
Franc's mum: Er, yeah, hang on a minute. I'll just get his. Franc!
Franc: Hello?
Silvia: Hi Franc, It's Silvia. Do you want to come round
tonight? I'm going to watch a film.
Franc: Yeah, OK. What time?
Silvia: About...ten o clock.
Franc: OK. See you later!