Design an airline domain model covering airports, aircraft seat layouts, scheduled flights versus dated flight instances, passengers, reservations and tickets, seat assignment, and flight status transitions.
Design an airline management system: the airline schedules flights between airports, operates dated flight instances on specific aircraft, and lets passengers book reservations with assigned seats, possibly across multiple legs. Flights move through statuses like scheduled, boarding, departed, and arrived. Start by clarifying scope and the core objects.
Work in the provided coding workspace while explaining your decisions to the live interviewer. Validation may use inline tests, examples, comments, or a verbal walkthrough.
Practice this problem in the live coding workspace while the interviewer probes your clarification, implementation, trade-offs, and validation.
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