You can translate your services to ease the online booking process for your French-speaking clients, by following these few steps :
1. Click on Account Settings
2. Click on Employees & Services
3. Select the desired employee
4. Click on Services
5. Select the service you want to translate
6. Click on Need to translate your services?
7. Select the language you want to translate the service into
8. Translate the service's name
9. Translate the Category and Description, if applicable
10. Click on Save
Then, according to the language of your client's browser, or the choice of your page's language, the client will be able to view your services in their preferred language.
Here is an example of a GOrendezvous page, in French :
And, here is in English :