There are many different ways to show respect, subservience and humility, knowing how to correctly address your social superiors is one area.
Say "Good Morning Lady Riva"
Wait to be introduced to Lady Riva
Say "Welcome to Mistress Nadine`s house,"
Hello Mistress Ice
Good Morning Mistress Ice
Good Morning Mistress
Reply "Mistress" and then go and get the boots.
Reply "Yes Mistress" and then fetch the boots
Reply "Thank you Mistress" and then fetch the boots
Ask Lady Omega " Would you like tea or coffee" Mistress
Ask Lady Omega " Would you like tea or coffee" Lady Omega
Ask Lady Omega " Would you like tea or coffee" Lady
"Goodbye Lady Riva"
Wait until she says goodbye and then reply "Goodbye Lady Riva"
Wait until Mistress Nadine says Goodbye to her and then you say "Goodbye Lady Riva"