U: I am looking for a train departing from Cambridge that would arrive by 19:45.

S: There are 1,029 trains that meet your needs. Would you like to narrow it down by destination, day, and/or the time it leaves?

U: Yes, I need a train that goes to Ely and leaves on Sunday.

S: Train TR5389 leaves Cambridge at 17:50 and arrives in sly at 18:07. Can I book this for you?

U: That works, can you book 2 seats for me please?

S: Booking was successful, the total fee is 7.04 GBP payable at the station. Reference number is : 9YZO84HU. Can I help you with anything else?

U: I am also looking for a very expensive restaurant located in the Centre. Do you have any suggestions?

S: There are 33 expensive restaurants in the centre. Is there a particular kind of cuisine you're looking for?

U: Yes, I'd prefer British food.

S: There are 3 results for expensive british food in the centre area. The first is fitzbillies restaurant, would you like more information on it?

U: Yes, please. Can you check if this restaurant has a nice outdoor dining area?
S: There are some mixed reviews on the dining area outdoors. Some customers loved the view while others were not so impressed with the view of downtown. Would you like to know more about them?