Hi,,
Hi, how may I help you?
I like to find a restaurant to eat. I like an expensive restaurant
Is there any preference for cuisine?
The restaurant must have Vietnamese food.
Which location do you like?
I am fine with all location.
Do you want a high rating restaurant?
I like at least 9 rating. The restaurant must be/have Gluten Free Options.
I am sorry, there is no restaurant meet your requirement. Do you consider other type of food?
Can get  European food?
There are 25 available restaurants, I prefer Chesa. It serve European food, and its rating is 9.
MayI book this restaurant?
Which time do you wanna book?
We would arrive at 9:10 am. On 3rd of August My name is Billy.
How many people do you wish to book?
I need to book for 12 people.
Well,please confirm: you wish to book Chesa restaurant for 12 people at 9:10 am on 3rd of August.
Yes
I am sorry, the resturant is not available for booking. Maybe you wish try other time slots?
What about 6 pm?
Well, please confirm: you like to book Chesa restaurant for 12 people at 6 pm on 3rd of August.
O.k
Well, booking is successful. Your reference number is UQ575RDL.
I also like to  find an attraction near the restaurant. The rating of the attraction must be at least 1.
is there any other requirements?
That's enough
There are 32 available attractions, I choose Sandbox VR. Its rating is 10.
Sounds great
What else may I help you?
No. That's all I want, Byebye.
Have a good day!Bye!