Script full manual mode

I want to start my coaster in the station in full manual mode using a script. Then I want to hit some keys to do this

3 - Close Gates
2 - Close Harness
1 - Disengage Floor
Enter - Dispatch

Then I want it to reset when it gets back to the station so the user can hit the keys again in the correct sequence to dispatch the car. My coaster is set to closed circuit and it is the only train on the track.

Any help or suggestions would be great. Thanks for your time.

I'm not sure what your question is about exactly, but one can control the station using the number block keys when the station is set to manual mode without any script.
It's even not possible to control the station devices by using a script if that's what should be really needed and would be the only option in your case.
Once the station took over control also in scripted operation mode one cannot control the train until the station dispatched it.