A: Hello. What can I do for you?
B: Is there a cafeteria or a snack bar in your hotel?
A: Yes, on the first floor.
B: Could I have my meal now?
A: Sorry, the dining room isn't open yet.
B: When will the dining room be open?
A: At 5 p.m.
B: I'll be away for a while until 9 p.m. Do you have the meal delivery service?
A: Yes, we have.
B: Please deliver a meal for me after 9 p.m.
A: OK. And there is an extra charge of 15% for room service.
B: I see.
A: What's your room number?
B: 903.