Our last coach was 50 amp with 2 ACs. Connected to 30 Amp, you can run one AC, but not two, you may not be able to run the microwave with the AC on. You'll find that hair dryers pull a lot of amps, likewise with small heaters.
When you flip a breaker, you'll know you overloaded the system. You didn't say where you are going in June, but if it is hot enough that you need 2 ACs, you could unplug and run your generator, it can handle both AC units at the same time.
Enjoy the journey!
There are friends, there are family, and then there are friends that become family!