Dear Khun.Nantaporn,
I would like to inform the check thru details for Mr.Bodin’s trip. When Mr.Bodin check-in at the United airlines counter of Bergstrom Airport he can show his ticket of Asiana Airlines and inform to staff of United airlines for check thru his bags from United airlines to Asiana airlines because they are the partners airlines of Star Alliance. For the route from LA-Seoul-BKK Asians airlines will check thru for him until arrive BKK.