Transavia flight, was booked as KLM but i couldnt choose seat or access boarding go with KLM at all. Crammed seating and really no frills experience throughout. Initially and very last time. The common cost of all round-trip flights from London to Atlanta clicked on KAYAK for every single day https://www.diigo.com/item/note/aa9i2/p2wm?k=b5d031d11a91caf4faba4afa06be861b