Hello Sir/Mam, Happy to say that we have Already done a Reservation system.
I have read your requirement and understood that you are looking for an experienced mobile app for Reservation System with the use of the Cassandra database.
I know the concept of Reservation System & also understood that which type of services you want in this web app & also will able to work in Apache Cassandra database.
And will happy to develop this app for you according to your need & Also have some more ideas to implement on that & make it best from the crowd.
So, Let me inform you that we have a skillful and experienced team and we work on all technologies with 8+years of experience who have already developed lots of Websites, Applications(in Android & iOS), and System as per client's requirement & within a given time.
Also, a developer is familiar with all technologies but they have must expertise in Android, Cassandra, iPhone, NoSQL Couch & Mongo, Swift, Graphic Design, web design, HTML, PHP, Wordpress, & etc...
Already we have developed several systems which are quite similar to your need if you want to see our previous work will be happy to show you via personal chat & explain in details.
And Yes, Can you please share your Detail requirement Document So I will refer it & let you know if I have any query & will provide a precise timeline & fair budget.
Let's talk further in details.
Awaiting your positive response
Best Regards,
Monali