Trained staff will now handle queries from 0900 to 1700 Eastern Standard Time (EST), instead of the usual automated voice-answering system.
Meanwhile, Korean Air has added seats on its Seoul-Honolulu route as a response to increasing passenger demand. On November 17, a visa waiver that made it easier for Koreans to travel to the US came into effect.
Korean Air will be adding 581 seats and using a Boeing B747, which can seat between 333 and 382 passengers. Previously, the B777 for up to 801 travellers was used.