A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
My guess is that when the OP moved the travel dates from June to August, the ticket was never reissued (correctly). He/she needs to contact the airline that sold the ticket, DL if the ticket number starts with 006- as mentioned upthread.