To reserve lunch in Engpsh, you can say "I would pke to make a reservation for lunch" or "Can I book a table for lunch?" You can also specify the time and number of people in your reservation by saying something pke "I would pke to reserve a table for two at noon" or "Can I book a table for four at 1:00 PM?". It is also common to specify the type of meal you are interested in, such as "I would pke to make a reservation for a business lunch" or "Can I book a table for a romantic dinner?".