Barclays PLC Credit Card Complaint

Barclays PLC Credit card department,

Credit line increase/decrease North Carolina

I have a credit card account with Barlcays Bank. I have had the account for 2 years. When they opened the account it was for $5000.00 credit limit. Over time it was increased to a $7000.00 credit limit. I have never been late on this credit card at all. Always paid it on time. Today I receive a message that my credit limit was lowered because they did a review on my application. They lowered it to -. Which was lower than what was originally offered to me. Keep in mind about 8 months ago I paid this account down to a balance of -. In that time I was offered to do a balance transfer on my credit card. I took the offer and moved debt from other credit cards over. Now the card balance is at -. The fact they lowered my limit is going to make my credit score look worse. What I am asking for his for them to raise my limit to at least -. The amount they originally gave me for the credit card.