Usage patterns
〈場所〉で宴会を開くto hold a banquet/party at a place
The company held its year-end party at a hotel.
宴会に出るto attend a banquet/party
I ended up attending a banquet with the business partner.
宴会が盛り上がるfor a banquet/party to get lively
With the alcohol flowing, the party got really lively.
宴会の司会をするto emcee/host a banquet
The new employee emceed the party.