About holidays in May

Yes, there is Labor Holiday in early May. The train or flight tickets and hotels are in great demand during that period. Besides, most of the main sightseeing spots are crowded than the usual time. It is advisable that you book the tickets and hotels in advance, but it is too early to buy tickets now, you may book two months in advance. I think it is not a problem for you to get the tickets if you book them as early as possible.