Las
taquillas
están
al
fondo,
a
la
derecha.
lahs tah-KEE-yahs ehs-TAHN al FOHN-doh, ah lah deh-REH-chah.
The ticket counters are at the back, on the right.
"Al fondo" means at the back or at the far end — you'll hear this constantly in terminals, restaurants, and stores.