This is the tourist information desk, in Arrival Hall 2 of Schiphol Airport.
Marked as Holland Tourist Information.

Address:
Arrival Hall 2, Schiphol
Web:
http://www.iamsterdam.com/en/visiting/plan-your-trip/visitor-information-centres/i-amsterdam-visitor-centre-schiphol

Opening hours:
Mo-Su 7am-10pm