Okay I see how to create a multi-city one-way booking: On the booking page click "Advanced Search" Select the "Multi-city" radio button Enter BUF as departure city, OAK as desination 1, and HNL as destination 2 Click "Search" Select flights Check out and pay I'm still not able to figure out how to modify and add a flight but hopefully this gets the original poster, @Alktraveler, an option to book on one reservation.
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