Small project for php Programmer

Hello Freelancers ! I need a php programmer, its a small project but it may turn in to long term job. Brief Details: User will select Check in and check Out Dates , then he will be shown Total price > after click on Book Now button a form will be shown which he will fill and details will be saved in database After that if someone else try to select same dates then it will show that Dates are already Booked. Waiting for Your Bid will give further info in pm. Thanks