U: I want to find a restaurant in the centre part of town and serves persian food.

S: There are no restaurants serving Persian food in the Centre part of town.

U: I would like a thai restaurant then.

S: I see several options for Thai food in the city centre. Would you like to narrow them down by price?

U: Yes please. Like to hear least to most expensive first.

S: bangkok city is the only result and it is expensive.

U: Does Bangkok City have a welcoming vibe?
S: Yes, those that have visited the Bangkok City all mentioned being pleased with the lovely, quaint Thai atmosphere.