People in the United¹ 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?
   C: Hello.
   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!

3. A: Wendy, I'd like you to meet my brother Sam.
   B: Hi.
   C: Nice to meet you.
   B: What do you think of Dallas?
   C: Well, I'm still feeling a little homesick² and so many things seem strange to me.
   B: You're bound³ to feel that way at first, I guess.

4. A: Mrs.Hughs, this is Peter Brown.
   B: Pleased to meet you.
   C: How do you do?
   B: I hope you're enjoying your stay here.
   C: If it weren't for the climate, I'd like it here very much.
   B: It always takes time to get used to a new place.