收到一个target offer，用不到~
1.register for this offer using SkyMiles number and promo code at delta.com/
seattle30
2.use any Amex card 买delta的起始、中转、或目的地是sea的往返票with a minimum
fare of $250 per flight between 7/19 and 12/19.可以买三次往返
1st round trip flight gets 5k miles
2nd round trip flight gets 10k miles
3rd round trip flight gets 15k miles
promo code: 30000304592
