Call:
arima(x = TravelAndEvents_Cleveland, order = c(1, 0, 1), seasonal = list(order = c(1, 
    1, 1), period = 24))

Coefficients:
         ar1      ma1    sar1     sma1
      0.9327  -0.6968  0.1632  -0.9246
s.e.  0.0098   0.0193  0.0207   0.0091

sigma^2 estimated as 2.165e+09:  log likelihood = -37517.5,  aic = 75045.01