Tell about the dialogue between Rosencrantz and Guildenstern after Rosencrantz insists they have permission to leave.

Guildenstern says he'd like to know where they are and if they will ever return. Rosencrantz says they don't want to return. Guildenstern says that may be true, but why would they want to leave and Rosencrantz replies that they want to leave so they could be free.