The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

Hey, Sheldon, I found
a great restaurant for DATE night.
The Big Bang Theory Season 10, Episode 16

your bug report on
my DATE planning.
The Big Bang Theory Season 5, Episode 14

Look at that, I got a DATE with Penny.
The Big Bang Theory Season 2, Episode 4

Raj, when you said you
were gonna bring a DATE
The Big Bang Theory Season 7, Episode 12

Yes. According to the relationship agreement,
on the anniversary of our first DATE...
The Big Bang Theory Season 6, Episode 1