There are lots of phrases you will use every time you go to a restaurant. Here are some important ones to remember!
When you arrive:
You: Hello. Have you got a table for two/three etc.?
Waiter/waitress: Have you booked?
You: Yes, we booked a table for two at 2pm. The name is. . . (for example).
OR: No, we haven’t. Can you fit us in? to fit someone in = to find space for someone (regular verb).

During the meal:
Waiter/waitress: Are you ready to order the drinks yet?
You: Yes, please. Could we have . . ., please?
Example: Could we have a bottle of red wine, a bottle of mineral water and a lemonade, please?
Waiter/waitress: Are you ready to order the food?
You: Yes. For the starter, could we have . . ., please?
Example: Could I (we) have the soup for the starter, please?
You: And for the main (course), could we have. . ., please?
Example: And for the main (course), could we have the fish and the lasagne, please?

Waiter/waitress: Have you finished? Can I clear the table? To clear sth. (regular verb) = to remove things from a place where they are not wanted. Can also be used for people.
At the end:
You: Can we have the bill please?
Waiter/Waitress: Of course, here you go!
Other useful words:
Tip = The extra money you give to say thank you for good service.
Side = A dish you are having to accompany another dish. For example, Fish and Chips with a side of bread and butter. The bread and butter will come on a separate plate, at the same time as your fish and chips.
Cutlery = Knives, forks and spoons for eating your meal with. You may want to ask for clean cutlery if yours is dirty.
Complementary/’On the house’ = This means that it is free! Sometimes you may receive a complementary shot of alcohol or small chocolate at the end of your meal for no extra cost.
Make a reservation = The same as book a table. Ask the restaurant to save a table for you.
Bathroom/Restroom/Loo/Toilet/WC = All of these words mean the same thing!