Degree 轉 Degree 同轉U既問題~~

我而家係香港既大學讀緊year one ,
我想問問有冇人試過成功轉U;
由一間U既Degree 轉 另一間既Degree?
如果轉去唔同major ,係咪機會微乎其微??
我試過send email 去問, 佢地話: irrespective of whether there is a change of program
or discipline, will not be considered unless under very exceptional cases.
我想問下有冇人有呢方面既經驗??
唔該幫幫我^^