How any why traveller individual travelling choice won't be influenced by travelling entertainment service price only? Does it mean the travelling entertainment service providers will not reduce their traveller number when they can respect or consider above factors to avoid to bring negative influence to traveller consumers, but they still change higher travelling entertainment arrangement service fee to them? In my this book, I shall explain how and why the travel past travel lesiure behavior may help travel service provide to make airline price or travel service arrangement price evaluvation.