The context of the following conversation is Casey wanted to give her nieces a present, so she spent the day running around with them at the amusement park.:
Casey says Hey Bill, ever been to Wild River Amusement park?.
The friend responds No, is it good?.
Casey responds Yeah its great, took my nieces there as a little present, haven't seen them in forever.
The friend responds Very cool, do you mean Lisa's kids?.
Casey responds Yup, we should go back there, the lazy river was awesome.
The friend responds I'm down any time..