Yes, generally speaking, when talking about banquets, you have to pay a deposit first, and about how many tables to prepare one or two (for example, 2 tables 10). In the daytime, it seems that there are many people. At the beginning of the wedding, the hotel wants you to confirm the number of seats and prepare the dishes. So you can set the number of seats according to your estimated number of people. After the wedding banquet, pay the bill according to the actual number of seats.