I talked with ~ but couldn't get a satisfying answer.
I asked ~ for advice but his answer was not really satisfactory.
I talked with ~ but couldn't get a satisfying answer.
(〜に話したが、満足のいく答えは得られなかった。)
I asked ~ for advice but his answer was not really satisfactory.
(〜にアドバイスを求めたが、彼の回答はあまり満足いくものではなかった。)
専門家など詳しい人に相談するならconsultも使えます。
satisfyingは「十分な」satisfactoryは「納得のいく」というような意味になります。
参考になれば幸いです。