AGENTS NOT HONOURING quoted price for flight LHR to CLT twice on 12/08/2023 and 15/08/2023. At the time of paying with CC, CHEKNFLY rang and demanded more fare. For £499 asked £520, on 12/8 and for 499 demanded , an extorsion, telling Kayak’s was only a promotional one! All Calls recorded, several Kayak quotes kept for referral. Travel related Authorities like CAA, ABTA, TTA should investigate this fraudulent practice.