PDX se LAX tak ki flight kitne ghante ki hai
[IN:GET_ESTIMATED_DURATION [SL:SOURCE [IN:GET_LOCATION [SL:POINT_ON_MAP PDX ] ] ] se [SL:DESTINATION [IN:GET_LOCATION [SL:POINT_ON_MAP LAX ] ] ] tak ki [SL:METHOD_TRAVEL flight ] kitne ghante ki hai ]