A: Can I help you?
B: Yes, I tried to book a room on the website but I can't complete the booking.
A: I can do the booking for you.
B: Thank you. I'd like to book a single room for two nights.
A: Just one moment. I'll check our availability.
B: Are there any vacancies?
A: Sorry, only twin rooms.
B: A twin room, please.
A: Can I have your name please?
B: Yes, it's Tim. I won't be arriving until 10:00 p.m. tomorrow.
A: I know.
B: Do you need my credit card number to hold the reservation?
A: Yes, please.
B: 0005 6895 7489. That's all.
A: OK.