With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: and no you can not customize an itinerary unless you book several different legs of a cruise with stops in between on shore .. say book a Panamal Canal crossing , then fly to Asia and pick it up again and sail to India then fly to Europe to sail the Med before flying to England to hit the Transatlantic corssing .
text_B: The booking did not happen
entailed.