I'd like to recommend creating a account so me or other members can assist you, as guest have limitations in replying here and if we need further Information to communicate with you.
I'll provide a link to register, please come back to your post so we can further assist you . Thank you
The first question is: Do you want to send the text as a group chat or as individual messages to the three people?
Depending on which SMS app you are using, switching between group and bulk modes can (or not) be easy.