Dialog 4 orang tentang ask repetition

A: hai b! how are you? what are you looking for?
b: oh hai! good.. im looking for the shoes.. with whom you come here?
a: with my brother.. there he is
c: hai a! how long you were here?.
b: 30 minutes ago.. im here with my sister
a: pardon me
b: i said that i'm here with my sister.. there she is
d: hai all.. what are you doing here?
a: hai.. we just met here