Bad user experience

I have been trying to upgrade my contract to add an xbox with. On the website it is available but I cannot just do an upgrade only apply for a new contract. When I get phoned for the upgrade they don't have stock. When I phone the sales center the don't have stock, but then advice to go through the website and state call back, which also don't work.

Why is no one the same page, All that I want is a specific deal with the added xbox on my upgrade, I do not want to open another account.