关于伦敦火车票预订问题在abellio网站上订liverpool street到剑桥的火车票，advance的票子，最后订单说Reserved - no seat allocated *，The passenger is free to sit in any vacant unreserved seat for the class of travel specified on the ticket 是订这个班次都是不固定座位的？还是我在预定的时候操作失误，...
it means you can sit in any vacant seat, no reservation required (must be same class) I think this is because it is a short journey and off peak, there will be plenty free seats
