How many pieces of luggage do you want to check , sir ?   I want to check these three pieces and I'll carry this carry-on bag with me on board .   Ok.Is this your luggage properly labelled , sir ?   Yes , it is .   Ok.Would you please put all your luggage on the scales ?   Sure.How about this carry-on bag ?   Hand-baggage is not to be weighed , sir ... I'm sorry , sir , you're 25 kilos overweight . I'm afraid there'll be an excess luggage charge , sir . 