you to help them find something, don't just say, "it's in aisle 3". lead the customer to the item. better yet, wait and see if he has questions about it, or further needs. whatever the extra step may be, if you want to provide good customer service, take it. they may not say so to you, but people notice when people make an extra effort and will tell other people.
whether it's a coupon for a future discount, additional information on how to use the product, or a genuine smile, people love to get more than they thought they were getting. and don’t think that a gesture has to be large 