Customer service

The service we received this morning at the airport sucked! Those tellers or cashiers or whatever they call them they must be send to customer service courses, was told to check in 90 mins before departure time, we were at the airport by 04h00 been on the queue since and we were the 1st to arrive, the cashiers came at 04h30 dragging their feet as if they not starting their shift, when they got there other travelers started to arrive as well me being the 1st I was expecting to be helped before everyone but no the cashier called people from the other queue as they were 2 queues when I got to him he wanted to give me attitude I put him on his place, I was glad that he decided to help travelers to check in whereas other cashiers were chatting not caring how long we stand on the queue, kulula cashiers must be taken to customer service courses. I work with people as well and I know how to treat them.