Goal: Task 08550: You are looking for a restaurant in the centre and it should serve persian food. If there is no such venue how about thai type of food. You want to know the address and phone number of the venue.

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

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

user: I would like a thai restaurant then.

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

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

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

user: What is the address and phone number?

system: The address for Bangkok city is  24 Green Street City Centr, and the phone number is 01223 354382 . Is there anything else I can help you with?	

user: Thank you, goodbye

system: Have a nice day!