Thorntons review: cashier/customer service

I usually stop at this Thorntons every weekday to get a drink, and I will sometimes get a breakfast item or two. I usually get there between 6:00 AM and 7:00 AM. According to my receipt from today (11/03/19), I have 680 qualifying visits. There is this one African-American cashier that usually works in the morning when I get there. I do not know her name, but she was there again this morning. Every morning I walk in the store, I say "good morning, " and she just looks at me. However, the very next person in the door behind me, she greets with a smile. This has been going on for a couple of months now. This morning (11/03/19), I said "good morning, " and she just looked at me and then looked at her co-worker with a "See what I mean" kind of look. She then laughed for a couple of seconds. This was the last straw for me. I will not be back to any Thorntons ever again. Someone else can have my daily business.