the reservation employees work in shifts as well. At 7.00 a.m. front office was opened, the staffs required to check the bus and coming time of the customers. After 7.00 a.m. shift, it has 8.00 a.m., 9.00 a.m. , 10.00 a.m. , and 13.00 p.m. shift and work will finish at 22.00 p.m.