Ready to Use Open Source Hotel Management System

I need a basic to intermediate level Hotel Management System that has to be used for a Hotel with 50-100 rooms. It should be in PHP and MY SQL The main features of the Application should be the following. - Front Office Module Hotel Status from the Main Screen Guest Check In Screen Guest Check Out Screen Day Use Feature Extra Charge posting and defining Extra Charge Package - Reservation & Group Booking Management Single Reservation and Group Handling Room Inventory View provides 7 days rooms position with room type summary Setup of Release Date and Time For Any Reservation and Booking Option to Cancel or No Show Any Reservation Or Group Booking Group Check In & Check Out - Back Office Module Managing Miscellaneous Sales that is Accounts Receivable. Managing Expense that is Account Payable. Creation of City Ledger/ Direct Billing Company Account with Credit Limits Setup City ledger account printing and emailing facility Creation Of Market Segment For Defining Business Sources Creation of Business Source with Special Rates - Laundry Management Laundry Management Banquet Management Booking and Reservation of Conference & Banquets Menu Card Definition & event Quotations Planning invoicing and payment of conference packages Mini-bar Mini-bar Housekeeping Module Management Defining house Keeping Schedule Track & Lost - Reports Module Report objective Quarter reports Powerful taxation report Facilities with each report. Print & preview - Accounts Module Income Expenses Profit / Loss I need this system within a week and possibly a demo in the next 2-3 days. Only serious people should bid for this. Good Luck!!