温かいウールのスカートを探しているのですが。

warm; mild; genial

wool

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

skirt

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to search (for something desired, needed); to look for; to search (for something lost); to seek (a suspect in a crime)

be; is

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and