Domains: restaurant, train

user: I'm trying to figure out my eating options. Are there any expensive restaurants in the centre?

assistant: There are 33 expensive restaurants to choose from in the centre. To narrow down results, what type of food are you wanting to eat?

user: How about a place that serves canapes?

assistant: There are no expensive restaurants in the centre of town serving canapes

user: Aww, that's too bad. Do you have any that serve korean food?

assistant: Yes, little seoul is a great place for korean food.

user: Can you book a table for 7 people?

assistant: Yes I can, I need the day and time you'd like to go please.

user: How about Thursday at 19:15?

assistant: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 718ZBFFA . Can I help you with anything else?

user: I now need a train

assistant: I need to get a little information from you to book a train. Where are you traveling to and from and for what day and time do you need to travel?

user: The train should depart from broxbourne and should go to cambridge.

assistant: On what day and time do you need to go there?

user: I would like to arrive at 16:15 please.

assistant: The earliest I can have you there is 06:32. The latest is 10:32, with several options in between. Any preference?

user: Yes, I would like to arrive by 10:32 is 16:15 is not available.

assistant: Train TR2145 will arrive at Cambridge by 10:32. How many tickets should I book for you?

user: I would like to book for 7 people please.

assistant: I would be happy to book a train for you. Which day will you be travelling?

user: I will be traveling on Thursday.

assistant: Sorry it looks like TR2145 is no longer available, I will substitute with TR5687 which arrives same time. Booking complete 125.29 GBP payable at the station, Reference number 8XYHVB3U .Anything else?

user: No thank you that is all I need

assistant: thank you that is all good bye