There is a ton of stuff already posted here on CiteHR regarding sales training.
Please use the search facility at the top of the page next to the CITEHR logo.
You will find plenty of material that you can ADAPT to meet the requirements of YOUR organisation.
Training IS NOT a one size fits all proposition. It needs to be tailored to your particular organisation's requirements, operations, and culture.
We do not work for your organisation, so we are unable to provide the material you need. If you are a trainer, then you should already have learned how to develop training materials. The alternative is to outsource to a professional trainer who can work with you to implement suitable training.