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": "hotel_photos", "description": "Fetches a list of photos for given hotels based on their IDs from the RapidAPI Priceline provider.", "parameters": {"hotel_ids": {"description": "Comma-separated string of PPN hotel IDs (Semi Opaque Only).", "type": "str", "default": "700000000,700000001,700000002,700000003"}, "image_size": {"description": "The size of the images to be returned. Valid options are 'small' (60px), 'medium' (300 to 312px), or 'large' (500 to 800px). Defaults to 'medium'.", "type": "str, optional", "default": "medium"}}}]
Fetch medium-sized photos for the hotels with PPN IDs 666 and 777, then fetch large-sized photos for the hotel with PPN ID 888.
user
assistant
[{"name": "hotel_photos", "arguments": {"hotel_ids": "666,777"}}, {"name": "hotel_photos", "arguments": {"hotel_ids": "888", "image_size": "large"}}]