YOU SAID:

Yes sir, I do need to go to the restroom right now

INTO JAPANESE

はい、私は今トイレに行く必要があります

BACK INTO ENGLISH

Yes i need to go to the toilet now

INTO JAPANESE

はい、今トイレに行く必要があります

BACK INTO ENGLISH

Yes, now I need to go to the bathroom

INTO JAPANESE

トイレに行きたい

BACK INTO ENGLISH

I gotta go to the bathroom.

INTO JAPANESE

ちょっとトイレ

BACK INTO ENGLISH

I gotta go to the bathroom.