poor service and rude

All this time I have been paying my policy and they were happy and not asking for my service invoice but when you start claiming now they what all invoices that you don't have and I give them 4+/- last services invoices and they can see that I'm not jumping them now they're coming with a story that they want the 2013 invoice that I don't have and I don't have the name of the company that service and now they're what me to go in a taxis to go and look for that involve that they didn't ask for it all this time and to my knowledge they always look for 3 services invoices that I gave them but know they're coming with they're games because they don't want to pay for my car. I really don't understand why we have to be treated like this when we need to get the service that we have been paying for!