Concrete response type that requests that a new flow execution
(representing the start of a new conversation) be launched.
This allows "redirect to new flow" semantics; useful for restarting a flow
after completion, or starting an entirely new flow from within the end state
of another flow definition.
This allows "redirect to new flow" semantics; useful for restarting a flow after completion, or starting an entirely new flow from within the end state of another flow definition.