To begin with, I think it's essential to train staff to be skilled and efficient in their scooping and serving techniques. It's also crucial for them to be knowledgeable about the flavors and able to promptly address customer inquiries. This approach would not only shorten service time but also help customers make decisions more quickly. A clearly labeled display of flavors can further facilitate faster decision-making for customers. Furthermore, the shop's layout is important. A logical arrangement that guides customers through ordering, payment, and receiving their ice cream can reduce confusion and enhance service speed. Another potential solution is to set up a numbering system where customers place their order and pay, then step aside to wait for their number to be called, which would help keep the ordering line moving. Additionally, technology can be leveraged, such as self-service kiosks or a mobile app for customers to order and pay in advance, thereby minimizing their wait time in the shop. Lastly, effective and efficient inventory management is vital to ensure that popular flavors remain available during busy periods, preventing customer dissatisfaction and delays.