YOU SAID:
I am so bored today, because my agent hasn't texted me back.
INTO JAPANESE
私のエージェントが私にテキストメッセージを返送していないので、私は今日とても退屈しています。
BACK INTO ENGLISH
I'm very bored today because my agent didn't send me a text message back.
it is unlikely that this phrase will ever reach equilibrium