Joe : Laura, what are you going to do today?
Laura : I'm going shopping.
Joe : What time are you leaving?
Laura : I'm going to leave around 4 O'clock.
Joe : Will you buy a ham sandwich for me at the store?
Laura : OK.
Joe : Do you have enough money?
Laura : I'm not sure.
Joe : How much do you have?
Laura : 25 dollars. Do you think that's enough?
Joe : That's not very much.
Laura : I think it's OK. I also have two credit cards.
Joe : Let me give you another ten dollars.
Laura : Thanks. See you later.
Joe : Bye.