Jon led their group to the Kal as the large man talked to the man in the tall hat.
The two men were talking about where they should camp for the night while Jon took the group to the Kal for dinner. 
mnli hypothesis: The two men were talking about where they should camp for the night while Jon took the group to the Kal for dinner.  premise: Jon led their group to the Kal as the large man talked to the man in the tall hat.