Holiday

hello,
i will be going for holiday during the June holidays!!! Date:16/6/10~~~20/6/10.I am going shanghai,prob will go world expo(that's the main idea of it)Hopefully i no need to go back sch on those dates anyway only 3 days not in sch if need to go back.by the way.i actually coming back after midnight so it should be 21/6/10.finally i take Singapore airlines as i never sit before.the tour agent never give Singapore airlines.T_T