Yes, It is possible.
But please note: eZee Reservation have 2 parts.
1) Backend System.
2) Booking Page.
Now, Backend system can be used in any two languages by assigning it to User, whereas Booking page can be used in multiple languages.
Please check the below screenshots.
Backend System.
Booking engine front end.
The above screenshots are for your reference to know how it works.
To get this done, you can inform us so that we will enable the languages from our end for your hotel code and then you will be able to use the system in your desired language.