For guests currently booked with Thomas Cook travel agencies:

Norwegian Cruise line (NCL) has taken over your booking. Updated confirmations are being issued and all future payments should be directed to NCL If you have any questions in the meantime, please call UK 0044 (0)2380 718 916.

Additional support and information can be found by visiting:

CAA https://thomascook.caa.co.uk/customers/
ABTA https://www.abta.com/news/thomas-cook-group