YOU SAID:

i told her yeah this should be what we will do tonight

INTO JAPANESE

これが今夜やることだと彼女に言った

BACK INTO ENGLISH

I told her that this is tonight

INTO JAPANESE

これは今夜だと言った

BACK INTO ENGLISH

I said this was tonight

INTO JAPANESE

これは今夜だと言った

BACK INTO ENGLISH

I said this was tonight