People in the United States don’t always shake hands when they are introduced to one another. However, in a formal or business situation people almost always shake hands.
1.A: Mary, this is Joe’s brother David.
B; I’m very glad to meet you.
C: It’s a pleasure to meet you.
B: How do you like Texas so far?
C: It’s really different from what I expected.
B: Don’t worry. You’ll get used to it in no time.
2.A: Mrs. Smith, I’d like to introduce a friend of mine, Pierre Dubois.
B: How do you do?
B: What’s your impression of the United States?
C: Well, I can’t get over how different the weather is here.
B: Oh, you’ll get used to it soon!