so a customer(C1) comes up and I start ringing her through and another customer(C2) walks up
C2:miss, we were next
C1:*turns around* do I know you?
C2:OMG, I thought you were someone I know, I'm so sorry
C2:miss, we were next
C1:*turns around* do I know you?
C2:OMG, I thought you were someone I know, I'm so sorry