Listen to the whole passage
Listen to the whole passage once first, then practice sentence by sentence.
The first line is the other person opening the conversation; the "You" lines are suggestions for you to practice saying in this scenario (not a back-and-forth dialogue).
The owner of a small restaurant
你好，欢迎光临！今天想吃点儿什么？
Hello, welcome! What would you like to eat today?
You
你好，今天有什么好吃的？
Hello, what's good to eat today?
You
这个菜好吃吗？
Is this dish tasty?
You
我要一份米饭和一个汤。
I'd like a serving of rice and a bowl of soup.
You
再来一杯水，谢谢。
And a glass of water too, thank you.
You
一共多少钱？
How much is it altogether?
You
给你钱。
Here's the money.
You
谢谢，饭很好吃！
Thank you, the food was delicious!
You
再见！
Goodbye!