ThoughtSpot LLD Design problem

You are required to design a meeting scheduler system with the following capabilities:

1. There are N predefined meeting rooms available in the system.
2. A user should be able to book a meeting available room by providing:

• Array of rooms[] with details {startTime, endTime, requiredCapacity}

3. The system should send notifications to all participants invited to the meeting
4. The system should maintain a Meeting Room Calendar to:

• Track scheduled meetings for each room
• Display meetings for the current day.