Final answer:
The server needs to improve the speed of service as Toby had to wait 20 minutes for his vegetable soup, indicating a need for greater efficiency in meal delivery.
Step-by-step explanation:
In the scenario given, the server provided friendly and informative service, but the element that needs improvement is the speed of service. Toby had to wait 20 minutes for his vegetable soup, which suggests that the restaurant could improve the efficiency of their meal delivery. In busy establishments, such as in the provided examples of restaurants and a fast-food service environment, ensuring prompt customer service is key to a positive dining experience.