喂 你是陳小姐
Hey you are Miss Chan

Cantonese Sentence Breakdown

wai6
hey, an interjection to call for attention
to express one's dissatisfaction
to try and make a suggestion
to feed (an animal, baby, invalid etc)
nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
si6
is
zan6
an alternative form for 陣, battle front
小姐 siu2 ze2
(noun) 1. Witness; (pronoun)
Ms; 2. Miss (before a surname)