Coordinating Different Passenger Lists for an O'Hare Round Trip: Passenger Priorities: When an Activity Ends Earlier

https://blogfreely.net/lainehlrr/h1-b-arranging-an-ohare-ride-when-the-booker-will-not-be-traveling-before

Ask the party what journey it now wants to request after the activity changes. A Milwaukee and O'Hare round trip can serve different passenger groups in each direction. Someone may join later, return on another flight, or use a separate destination