Tip:
The suffix '-sama' (さま) or '-san' (さん) is usually added to show respect
to the person you are calling. Try not to call someone directly by their name
without this.
Basic greetings:
- おはようございます、古賀さん - Good morning, koga-san
- こんにちは、古賀さん - Hello/Good day, koga-san
- こんばんは、古賀さん - Good evening, koga-san