Excuse me , I've been waiting here for 10 minutes . Do you know how often does No . 636 run ?
neutral
user
It runs every 15 minutes . You must have missed it .
neutral
assistant
It seems you got here at good time . Do you have a bus schedule ?
neutral
user
Yes , I do . You can buy a bus schedule in a news stand .
neutral
assistant
I see , thank you . By the way , is this the right bus for the Museum ?
neutral
user
Yes , it is .
neutral
assistant
Do I have to change ?
neutral
user
No . The Museum is the terminal of this bus .
neutral
assistant
Thanks a lot .
happiness
user
You are welcome .
happiness
assistant