1) -Hi, Bill. How are you?
-Fine, thanks. You know, I want to introduce you to Harry. He is one of my old friends.
2) _Good morning, Mr Johnson. How are you feeling?
-Thank you very much. And you, Mr Green?
-I am good too, thank you.
3) Good morning, Mr Hill. It is a good day, isn't it?
-Lovely day. How are ou feeling?
-Good, thank you. And you?
-I'm better today, thank you. Good bye.
-Good bye. It was nice to see you.
4) -Hello, Mike. I'm glad to see you. How's your life?
-It's OK, thanks. I'm going to work. See you later.
5) -Hello, Mr Blake. I've come to say goodbye.
-Good day, Mr Ivanov. Are you leaving?
-Yes, I'm going home. I've finished my work here.
-That's a pity, we liked you a lot.
-Thank you, you are very kind. Best wishes.
-Say hello to your wife.
-Thank you, I shall. Goodbye.
Какой это класс? Задания элементарные! И по-русски пишется не "досвидание", а "до свидания".