รบกวนจองห้องพัก ที่เกาหลีใต้ให้หน่อยครับ

My comment.
1. Stay 3 people need room big or have living room ( 3 beds ) 2. No Smoking
3. On the floor No Capet (if you can find)
4. 3-4 Starts hotel   100-150 USD / day
5. Location on City dowtown shopping
6. Wifi Free
7. Include braekfast
 
 
I think you can find travel agency for help you.
15th Oct 1 night in Busan  in city
16-17th Oct 2 night in Jeju Island  in City
18th 1 night  1 night in Busan same hotel
19th 1 night 1  night in Seoul  (Myeong-dong ) 
20th go back BKK