more likely she is trained to. The coffee house's first priority is to sell coffee. I go into a shop and get these fake smiles i have to look over my shoulder to see if there is someone behind me she is smiling at. These people are trained to be nice, to call you by your first name, gives the impression they know you and you are more likely to buy from peoploe you know. Some are also trained to ask" is there anything else you need today?"