YOU SAID:

Hey I am about to head to the store, you want anything?

INTO JAPANESE

ちょっと私は店に向かっている、何か欲しい？

BACK INTO ENGLISH

Hey i'm heading to the store, want something?

INTO JAPANESE

ちょっと私は店に向かっています、何か欲しいですか？

BACK INTO ENGLISH

I'm heading to the store, do you want something?

INTO JAPANESE

私は店に向かっています、何か欲しいですか？

BACK INTO ENGLISH

I'm heading to the store, do you want anything?

INTO JAPANESE

私は店に向かっていますが、何か欲しいですか？

BACK INTO ENGLISH

I'm heading to the store, do you want anything?