Dollar General review: employee

I ask girl Franny for help finding items. I know this is lot of items, but I don't know area, not know store, am from mother country. This girl franny so mean. She not have time for question. She get mad. She tell I am taking to long wen she have other thing do. I am new. I try hard not be troublr. She make me cry. I feel so bad. Is this america? I not to ask question? I think it to be nice here? Not hard like home. I am wrong?