Hello, I am trying to book a Night Train from Nice to Paris, when I select the train it says “Seat availability unknown” and it doesn’t let me finish the purchase. What does it mean? How can I book it?
Answer
Seat availability unknown in France
Best answer by rvdborgt
You'd better try SNCF by phone (or an SNCF ticket office):
https://www.sncf.com/en/customer-service/contact-us/telephone
On https://www.oui.sncf/ you see what accommodation is still available but you can't book Interrail supplements there.
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