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.

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Panamal Canal",
        "Start": 137,
        "End": 150
    },
    {
        "TypeName": "LOC",
        "Text": "Asia",
        "Start": 173,
        "End": 177
    },
    {
        "TypeName": "LOC",
        "Text": "India",
        "Start": 211,
        "End": 216
    },
    {
        "TypeName": "LOC",
        "Text": "Europe",
        "Start": 229,
        "End": 235
    },
    {
        "TypeName": "LOC",
        "Text": "Med",
        "Start": 248,
        "End": 251
    },
    {
        "TypeName": "LOC",
        "Text": "England",
        "Start": 269,
        "End": 276
    }
]