I just confirmed a ticket on *A


11/26 ORD-FRA, 2 hour layover
11/27 FRA-VIE, 1 hour layover
11/27 VIE-PRG, Final destination

Returning,
12/4 CDG-Zurich, 23 Hour Connection
12/5 Zurich-Toronto (2 hour layover)
12/5 Toronto - Chicago, Final Destination

Would it be possible to add an additional 23 Hour connection in Vienna, on 11/27?

All in Y class.