(English)

In the following exchange, the turns which separate the parts of the request-acceptance pair are insertion sequences:

• A: I wanted to order some more paint.(Request)
• B: Yes, how many tubes would you like, sir? (Question 1)
• A: Um, what's the price with tax? (Question 2)
• B: Er, I'll just work that out for you. (Hold)
• A: Thanks. (Acceptance)
• B: Three nineteen a tube, sir. (Answer 2)
• A: I'll have five, then. (Answer 1)
• B: Here you go. (Acceptance)