Complex sentence: Although this arrangement made Air Charter Hunting-Clan's subcontractor, Laker managed to persuade Hunting-Clan to agree to a new deal regarding the sharing of business, which effectively transferred the management of these flights to Air Charter.
Split into simpler sentences: Although this arrangement made Air Charter Hunting-Clan's subcontractor, Laker managed to persuade Hunting-Clan to agree to a new deal regarding the sharing of business. This effectively transferred the management of these flights to Air Charter.