Korean sentence modifications

Last week my friend called and said she wanted to hang out, but I was busy that day so I couldn’t do it.
지난 주에 친구가 전화해서 놀자고 했는데, 그날에는 바빠서 못했어.
[jinan jue chinguga jeonhwahaeseo noljago haessneunde, geunal-eneun bappaseo moshaess-eo.
]

-->지난주에

Last week my friend called and said she wanted to hang out. So I intended to meet after work, but I had to work overtime, so I couldn’t do it.
지난 주에 친구가 전화해서 놀자고 했어. 그래서 퇴근 후에 만나려고 했는데, 야근해야 해서 못한 거야.
[jinan jue chinguga jeonhwahaeseo noljago haess-eo. geulaeseo toegeun hue mannalyeogo haessneunde, yageunhaeya haeseo moshan geoya.
]

-->지난주에

Last week my friend said she wanted to hang out, so I met her at the front of the cafe. We tried coffee for the first time there. After we left there, my friend said she wanted to go to the department store to shop, so I drove her there.
지난 주에 친구가 놀자고 해서 나는 카페 앞에서 만났는데요. 거기서 커피를 처음 마셔 봤어. 거기서 나와서 친구가 쇼핑하러 백화점에 가자고 해서 운전해서 데려간 거야.
[jinan jue chinguga noljago haeseo naneun kape ap-eseo mannassneundeyo. geogiseo keopileul cheoeum masyeo bwass-eo. geogiseo nawaseo chinguga syopinghaleo baeghwajeom-e gajago haeseo unjeonhaeseo delyeogan geoya.]

--> 지난주에
--> 만났는데요.--> 만났는데

It's a little awkward when honorifics and informal language are mixed.
Unification in one way.

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My friend told me to go home and check on the computer after work.
친구가 집에 가서 컴퓨터를 확인하라고 했어요.
[chinguga jib-e gaseo keompyuteoleul hwag-inhalago haess-eoyo.
]