1. Account login
1.1. Mobile phone number
1.2. Email address
1.3. Third-party access such as QQ,WeChat,alipay...
2. Customizing your riding scheme(by keyboard or voice)
2.1. Choose a vehicle type
2.2. Enter your pickup location
2.3. Enter one or more destinations
2.4. Select your traffic route
2.5. Decide time for pickup
2.6. Confirm the number of seats you need
2.7. Check the upfront pricing
3. Getting a driver(two-way selection)
3.1. Choices on drivers
3.1.1. automatically assigned by system
3.1.2. User choice
3.2. Choices on riders
Have rights to reject the order
4. Contacting with driver
5. Payment method
5.1. Cash
5.2. Credit or debit card
5.3. Pay through alipay,WeChat,or other 3rd party apps
6. Rate your ride
