Web CRM for Travel Agency (PNR & TL Reminder System)

Hi, I need a Web-based CRM for my travel agency to manage airline group PNRs. Required Fields: PNR Airline Sector Seats Travel Date Payment TL (Date & Time) Name List TL (Date & Time) Status Remarks Features... (Budget: ₹1500 - ₹12500 INR, Jobs: Automation, Data Management, Google Chrome, Google Sheets, JavaScript, PHP, Scripting, Software Architecture)