These are the phrases you will most likely hear when you are to enter an establishment specifically restaurants.
어서 오세요 (eoseo-ose-yo) or welcome in English
들어 오세요 (tu-ro-ose-yo) for come in.
Word for the day is 김치 (kim-chi) one of the staples in Korean meals.
It Started with Hangul 
thought welcome is chonmaneyo in hangul…or is it the other way?? :X
ohh i was wrong! didn’t read the intro..so im pertaining to the “you’re welcome” related to “thank you”.. arghh