1. query: provide all-round information such as bus policy, IC card sale, line direction, line adjustment and new development.
2. Guided ride: provide bus ride and transfer mode for passengers to travel.
3. Looking for something: Help passengers find something they forgot on the bus.
4. Complaint: Accept passengers' opinions on bus operation (safety, service, sanitation, etc.). ).
5. Communication: Understand the suggestions and needs of passengers.