U: Hi, can you help me figure out a train schedule, please? I need to travel to London Liverpool Street sometime after 18:45.

S: Where are you leaving from?

U: I am leaving from Cambridge on Saturday

S: The TR2166 train leaves at 19:59 on Saturday, would that work?

U: Yes, may I please have the price?

S: The cost per ticket is 13.28 pounds. Can I assist you in booking a ticket?

U: Yes please.  Also I am looking for a 4 star hotel with a moderate price range.  Can you make a recommendation?

S: We only have guesthouses that fit your requests, would you like a different hotel?

U: A guesthouse in the north should be perfect.

S: How about the Acorn Guest House in the north? It's 4 stars and a moderate price. I would be happy to help you with a reservation.

U: Do they have a noise level policy?
S: I don't know the specifics.  However, reviews indicated a lack of disruptive patrons, a quiet atmospherem and an easy location to enjoy some peace and quiet.