Upgrade given: J - F (Y - J with miles 1 week before travel)

Upgrade location: At the gate

Route: DXB-CAI

Flight number: EK923

Type of ticket: Flex

Date of travel: 10 February 2013

Tier status: Gold

Tier miles to date: 8500 (reset date Dec 31 2012)

Skywards miles balance:26250

Number of pax on the same PNR: Single

Skywards DOJ (approx): January 2007, Gold Since August 2009

And of course the first letter of your surname! D

Would have received Y - J opup probably, so maybe wasted the miles to upgrade 1 week before.