What action do i take when i find my hotel room unclean?

i often book a few rooms at a favourite hotel of mine. this time we had to have different rooms compared to the usual and these were dirty. what action do i take and how can i avoid it in the future?What action do i take when i find my hotel room unclean?
Ask them to clean it or give you a different roonWhat action do i take when i find my hotel room unclean?
complain to the front desk, demand they give you another room, or atleast reimburse you a little. write a bad report online
go down to the desk and complain. they will either clean your room or if your lucky they might upgrade you

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