I made the reservation for the night in Lisbon. It asks who else is joinging and gives a confirmation number. It clearly says the Maitre D will have others join you if you don't specifically name other guests. See Below:
Meal Category Dinner Open Seating
Smoking Section No
Reservation Required
Date 12-Jun-2006
Opening Time 6:30 pm to 9:00 pm
Table Table for 6 non-smoking
Select time* 06:30 pm
07:00 pm
07:30 pm
08:00 pm
Select guests for this reservation* MR FRANK
MRS KATHY R
Additional guests
Please note that any remaining seats may be assinged by the Maitre’d
Celebration
Reservation was made by*