B2C customer information calls

I am looking for telemarketer(s) with very good level of spoken English. Preferably UK based, and to cover own telephone expenses. In 2 weeks time, there is an open day at a car dealership to show off it's new car offers. You will be required to call the customer database and invite them to the event, and encourage them to take up an appointment to speak to the salesperson regarding the possibilities of buying a car. Total 500 calls over 5 days to start 27th January. No sales required, just a sound and gentle approach to get the customer interested enough to take up an appointment.