Professional telemarketer needed

I am looking for a professional telemarketer whose sole job will be to call leads from a spreadsheet provided and try to sell them home cleaning services.
You will have to offer them them a discount and get them to download our mobile app.
Average call time 2 mins.
All calls will be recorded & monitored through our own software. We'll provide you with Xlite login details.
The script will be built along the way as new feedback is received during the calls you make.

Please provide a voice recording if you have any in order to make an assessment of your phone manners.
Calling every single applicant is not possible.
This is a long term project.