تاكسي، Kakao T، هنا

기사님 is how you address the driver. Not 'hey' and not their first name.

이 주소로 가 주세요 plus the pin is the whole script. 여기서 내려 주세요 when the meter has done its job.

카드 돼요? still matters in some cabs. Kakao T usually already settled it. If they say 현금만, that is the answer, not a debate.