Build a Website and CRM

i want to make a back CRM system with includes points: 1. Autoamted email send to pax and to us. 2. A refrence or booking no auto generated through which we can find out all detail of customer on our tool. 3. finding option: >by customer name first name or last name >contact no >email address >billing no Tool need to start up : 1. by username n password [login to view URL] by flight booking, hotel booking, car booking [login to view URL] by from date - To date [login to view URL] status : confirmed/ pending / onhold/ refunded/ cancelled [login to view URL] code Merchant account option need to be attached , so that we can charge passenger online.