Here is one for spell check or AI to answer. The phrase is to ask, or request. Which is the etiquette word and please tell it like it is.
Etiquette is mandatory in language, whether in writing or in spoken form. Etiquette means observing every convectional requirement for polite behavior among associates of the same profession or members of the same group.
Advise means offering recommendations to someone on the best measures they can take about something.