This kid is in 5th grade. But he's already 1.6 meters tall, hasn't got an ID card, and didn't bring a student ID. Can you buy him discounted tickets? Will there be reserved seats for the discounted tickets?

This child is in 5th grade, 1.6 meters tall, and has no ID card or student ID. It can purchase a discounted ticket for high-speed rail, it can also buy a self-service discounted ticket.