How to say “They're charging me for excess baggage, so I'll have to take some things out.” in Japanese

In Japanese

超過手荷物(ちょうかてにもつ)の料金(りょうきん)がかかるって言(い)われたから、少(すこ)し中身(なかみ)を出(だ)さなきゃ。

Chōka tenimotsu no ryōkin ga kakaru tte iwareta kara, sukoshi nakami o dasanakya.