.A function hall, reception hall, or banquet hall is a room or building for the purpose of hosting a party, banquet, Wedding reception, or other social event. Function halls are often found within pubs, nightclubs, hotels, or restaurants.A banquet is an elaborate meal that marks a particular event or celebration. ... Catering is the business of offering food service to special events located at a remote site such as birthdays, dinner parties, or family gatherings.