I should point out that you didn't teach what the clerk was saying as well, which could leave a beginner unable to understand what the clerk was saying to the point of not knowing the answer
Hello, sincerely thank you for leaving a comment. As for this vedio, I'm teaching both sentences of costomers and clerks in three diffrent occasions when you go to a restaurant.(1.When you're getting into a restaurant. 2.When you're in the seat. 3.When you're leaving a restaurant.) So at this point, I recommend you check out the full vedio, or watch the first chapter, which is a imforming part of this vedio, includes how I made the vedio and what are included in it.