1. On the Booking Details page, select Edit booking.

  2. Select Edit travelers.

  3. Under the Lead Traveler details, select Add traveler.

  4. Enter details for the additional traveler.

  5. Select Check price which will calculate the additional cost to the booking.

  6. Select Update travelers. The additional cost will be charged to your credit card.

  7. To return to the booking details page, select Back to Booking Details.