YOU SAID:

I hope you're having a good night

INTO JAPANESE

良い夜を過ごしていると思います

BACK INTO ENGLISH

I think having a good night

INTO JAPANESE

良い夜を持っていることだと思う

BACK INTO ENGLISH

I'd say have a good night

INTO JAPANESE

私は良い夜を持っていると言うでしょう

BACK INTO ENGLISH

Would say I have a good night

INTO JAPANESE

私は良い夜を過ごすと言うだろう

BACK INTO ENGLISH

Would say I spend a good night

INTO JAPANESE

私は良い夜を過ごすと言うだろう

BACK INTO ENGLISH

Would say I spend a good night