请英语高手帮忙看看我自己写的句子有无语病(急用,
Iplanbyplan(UA880)fromPEKtoLAXatJul122009.thenbyGreyhoundbusorwarkingtotraveltofamousGrandCanyou,YellowStoneandYosemiteNationalParkandLA,LV,Sanfancisco,SanDiego,Solvang,HearstCastle,UnionCity,MontereyBay,Seattle,NewYork,Houstonandsooninmysummerholidayof2009.Iwanttospend30-40daysinthis.andstayinHiltonHotelorHostelworldandBuffetroom.thelastIplangoinghomeatAug242009byUA851.