I used to work in retail, not a salesman but I never called a customer sir. Had to call teachers at school sir or miss, felt such a plonker saying it and they knew you didn't mean it with as much respect as you're supposed to.
I remember when I was about 20 some spotty little salesman called me sir and I thought he was talking to someone behind me. Couldn't salesman just say "Do you need some help?" or "Can I help" or "prosecuting is our policy"
without the sir.
I remember when I was about 20 some spotty little salesman called me sir and I thought he was talking to someone behind me. Couldn't salesman just say "Do you need some help?" or "Can I help" or "prosecuting is our policy"