What do you think about me having an autistic meltdown?
Are you okay? Can we do anything for you?
I just feel abandoned, so I'm going to entertain myself from now on.
It can be hard to understand the intentions of others at times, but you should be willing to accept their support when it is offered. If you need time alone, though, that is also fine.
Well if that's the way it is I'm completely here to myself now.
If you have autism and you keep melting down, then it is okay to accept a little help. You deserve the help that you need to feel better.