Fetch the specific conversation by passing the conversation name

Summary

Not able to fetch the Specific conversation through the URL by passing the Conversation name

Content

The customer will provide the CSV file having the conversation name and the members to be added to that specified conversation.But before creating the conversation, we need to check if there is any conversation with the existing name. 
The similar thing had to be done for Groups and adding members to groups as well, we are successfully able to do that. We passed the given group name in the following URL : https://ejgk-dev1.fa.em2.oraclecloud.com/osn/social/api/v1/groups/group_name