Online Booking System

Online Booking System : (Django or Ruby on rails )
1- booking calendar with time slots
2- fixed capacity for total booking of the day
3- can mark day-month off -- if there already booking send email that the day is change
4- popup message for the clients to
5- client can manage their future bookings (delete - update -- etc ..)
6- the client can have one appointment per day
7- fixed popup for events like -- mother's day ..etc..
8- client need to register with email and mobile no.
9- sms for confirm booking - cancel - otp .. etc
10- client can have guest max 5 , and need to enter their names -- for ex
if the client select only me just one lable apper
if the client select me with 1 guest 2 labels apper name and first guest name and so on

11- admin page can export booking to excel for a day or month .. etc
12- admin can cancel any booking with email send automaticly
13- admin can add sms api for any sms provider
14- admin can add clients to blacklist by thier email or mobile number
15- the site sample "naxosbaybeach.com"
16- daily email for the next day booking at 00:00 of the next day