Dear
We have assigned [name of rep] as our new
representative for your area. [name of rep]
has been with our firm for quite some time and is
extremely experienced in all aspects of our production.
[name of rep] will be coming to [name of city]
on [date] and will be calling on you in the
morning if that doesn't conflict with your schedule.
If there is any problem with that date, please let us
know.