Excuse me , driver , you have kept us waiting for 15 minutes . Can't we start the tour right now ?
neutral
user
I am sorry , sir , there are still 5 minutes remaining ... OK , it's time . We will take a roll call before starting the fantasy sightseeing .
neutral
assistant
Finally . How long does the tour last ?
neutral
user
For about 3 hours . Enjoy your trip .
neutral
assistant