public async Task <IEnumerable <TimeSlot> > Rest(string startPointId, string endPointId, DateTime?flightDate)
{
if (!string.IsNullOrEmpty(startPointId) && !string.IsNullOrEmpty(endPointId) && flightDate != null)
{
return(await _service.GetRestTimeSlotOfFlight(startPointId, endPointId, (DateTime)flightDate));
}
return(new List <TimeSlot>());
}
