U: I need info on a train that'll take me to Cambridge and leave after 9:00.

S: I'd be happy to help. I have several trains leaving from london kings cross on Friday; do you need to arrive by a certain time?

U: Yes, I need to arrive no later than 17:00.

S: TR8842 arrives in Cambridge at 16:08. Would you like me to book that for you?

U: What is the price?

S: The price is 23.60 pounds. Would you like more information or to make a booking?

U: No I do need a place to stay in the south.

S: I have four places. Did you have a price range in mind?

U: No but I would prefer a guesthouse with a 3 star rating.

S: I'd recommend the bridge guest house. Would you like a room?

U: Can you book it for me and get a reference number ?

S: for how many people and when were you planning your stay?

U: I need to book the room for 2 people for 2 nights, starting on Wednesday.

S: It is successfully booked your reference number is NRDSBQTY.

U: I appreciate your help, is the room that you booked big enough for 2 people?
S: I see mixed reviews regarding the room sizes. One says the room was bright and cheerful with lots of space while another said the room was smaller than expected. We can ask for one of the larger rooms, if you'd like.