Inspire Uplift Ordered and paid online, never received. Miami Florida

Inspire Uplift I ordered on 4/19/20 and as of today, 5/31/20, I have not received my order. They have texted and emailed me that my package was delivered but it was not . They sent tracking information that states delivered, but the description in the tracking info says the package is delayed, please be patient. Of course they got their payment the day I ordered. I have tried emailing them and using the chat option on their website and they assure me I will receive my order.

Do they actually think that after a month and a half I would possibly think that is true? I have asked for a refund and received no response to my request. I don't know what else to do. I have never had this experience from any online order. I did pay online with a credit card but I do not see how to mark that. Miami F