Unable to use existing pages and tour package format

As i am changing the URL of menu or page from travelwp.physcode.com to prjtravels.com, I have to lost all page and tour package which is already exists in the theme. Can’t I use same pages by editing them. if yes than how. and if not than how can I create same page . for example – there is Menu ’’Destination’’ in which various destination name and respective destination tour is available , I want same with editing option under my domain url .