Many a times I have seen our people misbehave. Recently I was at the check in counter of an air line and a person was screaming at the staff for not taking him. Te counter closed atleast 10 minutes earlier. Also the customers should be treating the staff politely. How many times do we hear some one saying 'Thank You' or a 'please'? So it is natural for these guys to ignore you. It is also a lack of proper training for these people who is supposed to handle customers with a smile.