<p>Moises Avila was alone in the office, staring at the screen of his desktop computer. A Spanish-language game show blared from the TV. February usually is a bonanza month for the America Travel Agency, the business Avila runs at the corner of Whittier and LaVerne in East Los Angeles. Holy Week is in April, and most of Avila’s customers have family ties in Mexico, where the seven days between Palm Sunday and Easter are set aside like a spring break — the busiest travel time of the year.</p>