Horrific Upgrade

I am truly disappointment with the service I received with the last upgrade I did. I have been a loyal customer for over 20 years. I upgrade to a data line with a laptop. The consultant that assisted me was great and he checked the stock availability before I gave the go ahead. A day later I received a message stating that there was no stock. And from then I have been back and forth between departments even told to call third parties, and still no closer to an answer. I am VERY shocked with the way that this is being handled and nobody seems to want to that responsibility.