Originally Posted by
daniellam
Since CX uses Amadeus Altea as their check-in system, the check-in agent should use the "modify itinerary" function to manually add your AB segment to your check-in record before processing check-in.
AB uses Amadeus, too, so unless the TA booked the AB segments in a seperate reservation (you can have 2 seperate tickets in one reservation), CX sees everything at check-in.