U: I need some information. on a train to london liverpool street arriving by 13:00.

S: Yes I have 28 entries  with that destination arriving at various times Monday thru Sunday

U: I'm leaving on Sunday from Cambridge, is there anything available?

S: I have the TR7187 that will arrive at 01:27. Would you like me to book that for you?

U: Yes, please book that for me.

S: For how many people?

U: Hold on a moment. Can I first make a restaurant booking?

S: Yes, we can do that after we finish with your train booking. How many people do you need tickets for?

U: I don't need to book it yet. What's the departure and travel times for the train?

S: TR7187 departs from Cambridge at 23:59 and arrives in London Liverpool Street at 01:27. Do you want me to book that for you or move on to restaurant assistance?

U: I really dislike math, can you just let me know the trip duration if you have it in front of you?

S: Sure. The trip is 88 minutes. Would you like to book a seat?

U: Yes, and then lets work on the restaurant.

S: How many tickets would you like?

U: I don't want to book the train right now. Could you find me a restaurant in centre that serves swedish food?

S: There appear to be none in the area. Any other types of food you are interested in?

U: Is there British food in the centre in the moderate price range?

S: There are four restaurants that serve british food. I recommend Cotto for you. Their address is  183 East Road City Centre

U: DO they have a good waitstaff?
S: According to some of the reviews left by previous customers people wish they could keep a good waitstaff.  But others thought that the waitstaff was great.