Discount expires at 11:59pm on Friday, September 30, 2016. Offer has already been added to rider account. Only for riders who directly received the offer via in-app message. This discount is only valid on uberX, uberPOOL, uberWAV, uberASSIST, and uberESPAÑOL in Boston, Colorado, or Dallas; maximum discount of $10 per ride. Discount does not apply to surcharges, tolls, or Booking Fee. Terms subject to change.