Looking at the GDS'es I indeed see only Premium Economy and Economy - no Business:
CA RESPONSE ** DIRECT CONNECT PARTICIPANT **
13CA1858 G9 E0 Y9 B0 M0 U0 H0 Q0 V0 W0 SHAPEK 0755 1010 789 0
S0 T0 L0 N3 K0
14CA1590 G9 E0 Y9 B0 M0 U0 H0 Q0 V0 W0 SHAPEK 0855 1110 747 0
S0 T0 L0 N3 K0
15CA1832 Y9 B0 M0 U0 H0 Q0 V0 W0 S0 T0 SHAPEK 1055 1310 330 0
L0 N3 K0
16CA1502 G9 E0 Y9 B0 M0 U0 H0 Q0 V0 W0 SHAPEK 1155 1410 359 0
S0 T0 L0 N3 K0
17CA1520 G9 E0 Y9 B0 M0 U0 H0 Q0 V0 W0 SHAPEK 1255 1510 404 0
S0 T0 L0 N3 K0
18CA1532 G9 E0 Y9 B0 M0 U0 H0 Q0 V0 W0 SHAPEK 1355 1610 789 0
S0 T0 L0 N3 K0
19CA1558 Y9 B0 M0 U0 H0 Q0 V0 W0 S0 T0 SHAPEK 1455 1710 330 0
L0 N3 K0
20CA1884 Y9 B0 M0 U0 H0 Q0 V0 W0 S0 T0 PVGPEK 1640 1905 332 0
L0 N3 K0
21CA1518 Y9 B0 M0 U0 H0 Q0 V0 W0 S0 T0 SHAPEK 1655 1910 773 0
L0 N3 K0.
CA RESPONSE ** DIRECT CONNECT PARTICIPANT **
13CA1522 Y9 B0 M0 U0 H0 Q0 V0 W0 S0 SHAPEK 1755 2010 330 0
T0 L0 N1 K0
14CA1516 Y9 B0 M0 U0 H0 Q0 V0 W0 S0 SHAPEK 1855 2125 330 0
T0 L0 N2 K0
15CA 156 J8 C0 D0 Z0 R0 Y9 B0 M0 U0 PVGPEK 1855 2135 738 0
H0 Q0 V0 W0 S0 T0 L0 N0 K0
16CA1836 G9 E0 Y9 B0 M0 U0 H0 Q0 V0 PVGPEK 1910 2135 333 0
W0 S0 T0 L0 N2 K0
17CA1550 Y9 B0 M0 U0 H0 Q0 V0 W0 S0 SHAPEK 1955 2210 332 0
T0 L0 N3 K0
18CA1856 Y9 B9 M5 U5 H0 Q0 V0 W0 S0 SHAPEK 2055 2310 77W 0
T0 L0 N3 K0
19CA1886 G9 E0 Y9 B9 M5 U5 H0 Q0 V0 SHAPEK 2155 0015‡1 404 0
W0 S0 T0 L0 N3 K0