In order to use the route management you need
Airline
FBO at the airport of departure
Terminal at the departure airport (always pay attention to the size)
Business Lounge at the departure airport, if business taxis are to be generated
FBO at destination airport
Terminal at destination airport
at least 1 aircraft in the airline
If you fly from the destination airport back to the departure airport and business paxes are to be generated there as well, a business lounge must also be rented there.