messages.append(ChatMessage.from_user(message))
response = chat_generator.run(messages=messages)

if response and "<tool_call>" in response["replies"][0].content:
    function_calls = extract_tool_calls(response["replies"][0].content)
    for function_call in function_calls:
        # Parse function calling information
        function_name = function_call["name"]
        function_args = function_call["arguments"]

        # Find the corresponding function and call it with the given arguments
        function_to_call = available_functions[function_name]
        function_response = function_to_call(**function_args)

        # Append function response to the messages list using `ChatMessage.from_function`
        messages.append(ChatMessage.from_function(content=json.dumps(function_response), name=function_name))
        response = chat_generator.run(messages=messages)