Originally Posted by
azepine00
I believe the telephone icon was already there when I stayed last month. I told the front desk when i needed a limo bus to NRT and they took care of the rest..
And you can do this on arrival or anytime up to the day before departure. I wouldn't worry unduly. Even in the very worst case that absolutely everything goes wrong and you need a backup, you could taxi to Tokyo station and take the train.