I think you're in a good situation to expirement with how to overcome this block since you're a cashier and 90% of customers don't really care what you say, they just want to get out of there. This give you a nice place to figure out what works. I think the block is stemming from the fact that all these interactions are start and stop -- it's not a constant stream of words. So your fluency gets all blocked up. (As a side note, I'll bet many people (including myself) don't stutter when they are talking to themselves. The problem comes with dealing with people) Here are a few suggestions to keep that fluency train going: - Have all your words follow along with a tune you are humming or playing in your head. Sure it might come out as sing-songey, but who gives a shit? You're probably not going to see this customers again. - Try doing your stock phrases like "would you like a receipt" in an Australian or other accent you can imitate. - Try reversing the syntax of your stock phrases, like "a receipt, would you like?". Speak like Yoda - Imagine a movie or play script in your head and imagine those stock phrases as your lines. The next time a customer comes up to you, you're not talking to them, instead your reading your lines off the script you have in your head. - Another tip I've given often on this sub is to use a starter word like " it's" or "dude". It may be easier to start speaking if you start with a word that is familiar and easy to get out, like " dude, would you like a receipt? ".