YOU SAID:

I really want to go I promised

INTO JAPANESE

本当に行きたいって約束したのに

BACK INTO ENGLISH

I promised I really wanted to go.

INTO JAPANESE

本当は行きたいと約束しました。

BACK INTO ENGLISH

I promised to go.

INTO JAPANESE

私は行くと約束しました。

BACK INTO ENGLISH

I promised to go.