Nihongo lesson (simple conversation)

A : Onamaewa?
B : Zeru desu.
A : Okuniwa?
B : Nihon desu.
A : Shitsurei desuga, oshigotowa?
B : Isha desu.
A : aa, sou desuka...

Translation :
A : What is your name?
B : Zeru.
A : Where do you live?
B : Japan.
A : I'm sorry (to ask something personal), what are you / what's your job?
B : Doctor.
A : Oh, i see...

P.S. : "shitsurei desuga" is used to ask a private thing.