4 types of ticket! - Orange: cheapest, but non-refundable and you can only use it on the selected time - Orange Fri: little more expensive but you can get a refund until 30 mins before the train leaves - Standard: more expensive but can use the ticket all day on the selected day - 1st class: most expensive, but you get free coffee ☕ - can be used all day on the selected day Then the seat ticket is a separate purchase but can be bought at the same time as any of the above tickets. Seat tickets are only usable on the selected time.