Hello. This is a call from [CompanyName]. We are calling in regard to the service scheduled for today on your [UnitMake] [UnitType]. We are happy to inform that our technician, [Tech], <has finished needed preparation, and will be on [GenderRef] way to your location momentarily|is just finishing [GenderRef] prior job, and then will be on [GenderRef] way to your location>. If there are any issues in regard to you being there, and ready to allow access for this service, please call us immediately at [CompanyTelNmbr]. Otherwise, please have the machine accessible and ready to be serviced. Thank you.