話したく

want to talk

→ 話す
話し to speak, to talk + たく Desiderative (want to)
verb · desiderative Rare #39,746
want to talk
JA: 誰かと話したく、友達に電話した。
EN: Wanting to talk to someone, I called a friend.
Conjugation of 話す

今日はその件については話したくありません

I don't want to talk about that today.

あなたと話したくありません

I don't want to talk to you.

話したくもないわ

I don't even want to talk about it.

— ファニーゲーム (1997)

その件についてはもう話したくありません

I don't want to talk about that anymore.