You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "directions_between_2_locations", "description": "Fetches route information between two geographical locations, including distance, duration, and steps.", "parameters": {"end_lat": {"description": "Latitude of the ending location.", "type": "int", "default": "3.87598"}, "end_lon": {"description": "Longitude of the ending location.", "type": "int", "default": "11.51148"}, "start_lat": {"description": "Latitude of the starting location.", "type": "int", "default": "4.03966"}, "start_lon": {"description": "Longitude of the starting location.", "type": "int", "default": "9.69295"}, "distance_unit": {"description": "Unit of distance measurement. Valid options are 'km' (default) and 'mi'.", "type": "str, optional", "default": "km"}}}]
I need to travel from Maroua to Garoua, and then from Bertoua to Yaoundé. What are the routes in miles?
user
assistant
[{"name": "directions_between_2_locations", "arguments": {"start_lat": 10.595, "start_lon": 14.3, "end_lat": 9.3333, "end_lon": 13.3833, "distance_unit": "mi"}}, {"name": "directions_between_2_locations", "arguments": {"start_lat": 4.5833, "start_lon": 13.6667, "end_lat": 3.8667, "end_lon": 11.5167, "distance_unit": "mi"}}]