Incoming student? Pretty simple, I would say

1. Surf our site and purchase any service you want, you can also purchase packages that contain all the services you want.
2. We contact you if more specific information is needed.
3. We connect you to a present student who can give you this services

Present student? Still pretty simple, I would say

1. Signup and select services you can offer
2. We contact you whenever we have a request for you
3. After you confirm you can provide the service at the specified time, we connect you to the incoming student
4. At ofcourse, you get your commission after the service is confirmed delivered by the incoming student.

We ensure good communication between both parties and support more where needed.