1. C) Three tickets for The Martian at 7 pm, please.
2. E) I'm afraid it's sold out.
3. G) We still have tickets for 9 pm showing.
4. H) Oh, OK. Three tickets for 9 pm then, please.
5. D) That's £ 16, please.
6. F) OK. Here you are.
7. B) Thank you. Enjoy the movie!