YOU SAID:
I would like to go fly a kite today
INTO JAPANESE
今日は凧を飛ぶ行ってみたいです
BACK INTO ENGLISH
I am want to go fly a kite today
INTO JAPANESE
今日は凧を飛ばすに行きたいのです
BACK INTO ENGLISH
I want to go to fly a kite today
INTO JAPANESE
今日は凧を飛ばすために行きたいです
BACK INTO ENGLISH
I want to go to fly a kite today
That didn't even make that much sense in English.