A: Hi, I'd like to make a reservation for tonight at 7 pm for 4 people.

B: Sure, what's the name for the reservation?

A: It's under Smith.

B: Great, we have you down for 4 people at 7 pm under the name Smith.

A: Actually, can I change the reservation to 6 people instead?

B: Of course, let me check if we have availability for 6 people at 7 pm. Yes, we do. I have updated your reservation to 6 people at 7 pm under the name Smith.

A: Thank you so much.

B: You're welcome. See you tonight!