I don't wanna take any chances.

Heony! How much are you going to exchange for this trip?
여보, 여행 경비로 얼마나 환전 할꺼야?

About 300 dollars per person.
1인당 300달라.
I don't think that's enough.
충분 한 것 같지 않은데?
Get some more.
좀 더 바꿔.
I don't wanna take any chances during the trip.
여행하는 동안 문제 생기는 거 싫어.