Desarrollar software

We have already a booking system and we need to add some features. so here you can know about this new features for our system This is what we have : [login to view URL] user/pass : admin/admin FEATURES WEE NEED Admin will manage many properties, so this have to show in front end template like a marketplace to reserve. Automatic Email alerts when the booking is done for hotel owner e-mail. Automatic reminders e-mails (date and our) for him/her and hotel owner Set in the dashboard user the module of "Alerts me" here the user will choose 3 places (city we loaded) and range of prices that they want to recieve emails when have some similar results. The front end (HTML Page) will use this html (rentals module we are going t use) for a market place ([login to view URL] ) Give the same html design look and feel for back-end