You have proven to be a successful candidate for a consumer gang survey, which will be held in our _company name_ office on July 14th. This gang survey session will take about 2 hours.
There will be no sales attempts made at all, since this is just for gaining insight into consumers’ opinions about Air conditioner.
I think you’ll find the discussion to be interesting and we will give you ______ in appreciation for your time and invaluable opinion. Would you be able to attend on that date?
We will confirm by phone and send you an invitation letter with the map indicating directions to our facility. If you have any questions, please call us at (insert facility phone number).