Flights booked Las Vegas to Los Angeles via Delta early October. Aussie family of 4 (2 adults + 2 kids aged 12 & 8). Economy flights booked through our travel agent, but don't have tickets/booking # yet. Viewed flight online, available seats on the flight shows there is not a group of 4 'available' seats showing up, or at least 2 seats together so parent/child can be together. I'm a overprotective Mum and would not want my children to be seperated from us, and know the kids would be anxious if seated next to strangers. I have tried to find a 'policy' on the Delta webpage, with no luck. Can anyone advise what would normally happen. Would we be allocated seats next to our children once we check in? There are 'available' seats in economy confort, would we be upgraded and allocated them (presuming they are still available) ??? Any advice greatly appreciated as I'm a bit worried.