U: Wow, I cant believe that I got a person this quickly. I need a train to cambridge.  I want to get there buy tuesday at 12:30.

S: I'm happy to help. Where will you be departing from?

U: I'll be leaving from london kings cross.

S: Train TR7850 arrives at 12:08, but that there are trains arriving earlier. Which one could you rather take?

U: I would like to take this train. Thank you.

S: Reference number is : UKTVT9CY. the total fee is 23.6 GBP payable at the station .

U: Awesome. Could you also help me find a restaurant in the centre?

S: There are 69 choices to select from. Can you narrow it down to the type of food and price range? I can then search again for you

U: it should be in the moderate price range.

S: What type of food do you like?

U: American food and I need a booking for same group

S: The only one I find with American food is in the expensive range, it's the gourmet burger kitchen. Is this something you would be interested or would you prefer something else?

U: I am looking for something in the moderate price range in the Centre. Is there anything that meets that criteria?

S: I can recommend the oak bistro in the centre of town, they have british food, and are in the moderate price range. Would you like to make a reservation?

U: How are the food size portions? I have a really big appetite.
S: Previous guests agree that The Oak Bistro serves generous portion sizes. Would you like to make a reservation?