U: I'm looking for a train that departs cambridge on saturday.  Any ideas?

S: There are 202 trains that leave Cambridge on Saturday.

U: I would like to leave after 16:30 and would like to go to kings lynn.

S: There are 7 trips that would work. The earliest leaves at 17:11 and the latest leaves at 23:11. The train ride will be 47 minutes. What would you prefer?

U: I'm interested in the earliest one. What is the train ID?

S: That's the TR2840.

U: Alright, are there any 1 star hotels that offer free parking?

S: I am not showing any hotels with 1 star that have free parking, would you like to look for something else?

U: Does any of them have free wifi?

S: Sorry, no, I do not see any one star hotels with free wifi. Would you like to try another option?

U: Are there any with 4 stars?

S: We have three 4 star hotels that provide free internet and free parking.  Is there an area you would prefer to stay at?

U: Any place is fine, I go with whatever you recommend.

S: I recommend The Cambridge Belfry, a cheap 4-star hotel on the west side. Would you like to reserve a room?

U: Does the Cambridge Belfry offer spotless rooms to its guests?
S: To most guests that choose to stay at the Cambridge Belfry, the rooms are kept clean, although a few found the cleanliness to be lacking.