Vaness

ICN 도착편 Passengers who have completed check-in through to their international flight please proceed to the departure gate without picking up your checked baggage. However passengers who have not completely check-in for international flight must pick up your baggage and proceed to the check-in counter on the 3rd floor.

Hi [이름]! Thank you for sending your composition.Almost all your sentences are good.You just need to be careful with the usage of punctuations.Nice going! -T.Vaness-   ICN 도착편 >>ICN  Passengers who have completed check-in through to their international flight please proceed to the departure gate without picking up your checked baggage. >> Passengers who have completed check-in through their international flight please proceed to the departure gate without picking up your checked baggage.  However passengers who have not completely check-in for international flight must pick up your baggage and proceed to the check-in counter on the 3rd floor. >>Correct