Bad communication

Good day I've gotten an account with Lewis Boksburg stores I got a smart t.v but the plug required by the contract has not need delivered with the the t.v and the first time they had to do delivery verifying etc everything went smooth and fast delivery was done on the same day I was so happy my account is paid up to date, I've requested another furniture item be added to my account and now there's barely any contact the interview call as they call it was made in the past two days and as I do not take a phone to work because my work space is very noisy my wife answered and arranged for a specific time for them to call so that verification etc can be done for two days they only phoned that once and even though they agreed to phone when I would be available they never did I even tried from my own side contacting the verification department as I'm now sitting without couches in my living room as I was promised that the couches I want would be delivered yesterday, and still have not received the plug required for me to use my t.v with as per the Lewis contract. I don't think this is good or professional if there is someone that could please assist I would appreciate very much.