buying and selling a computer

Me: Good morning. How can I help you?
Marius: Good morning I would like to buy a tablet
Me: What type of tablet?
Marius: A samsung tablet
Me: What is the reason that you want buy a tablet?
Marius: I need it to search on internet, chat with my friends, and playing games
Me: We have this model that I think is good for you because it has a good capacity and speed.
Marius: What's the price?
Me: 200 Euros
Marius: Have you got any case with a keyboard included?
Me: Yes, of course
Marius: what colours are available?
Me: Red, blue and green
Marius: Ok, I will choose the red one
Me: Everything is 210 euros
Marius: Ok, thanks you. Bye!
Me: Bye!