Just wow, unbelievable! Though I have a question: How have you confirmed the last two steps (BKK to KBP to JFK)? I tried Aerosvit site, Hipmunk and Skyscanner

Just wow, unbelievable! Though I have a question: How have you confirmed the last two steps (BKK to KBP to JFK)? I tried Aerosvit site, Hipmunk and Skyscanner and haven't been able to replicate this result.