ADA if/else statement

with Ada.Text_IO;
use Ada.Text_IO;

procedure Main is
   Name : STRING (1..50);

begin
   Put("Hallo, whats your name?");
   Get(Name);

   if (Name = "William") then
      Put_Line ("Hai william");
   elsif (Name = "Erick") then
      Put_Line ("Hai erick");
   else
      Put_Line ("i dont know, who are you!");
      end if;
   end Main;