i am planning a trip to cambridge and need to find a place to stay .
user
not a problem . we have 33 place -s to choose from . do you have any preferences ?
assistant
i need someplace cheap near the center of town . free wifi and free parking are a must .
user
there are 2 place -s that fit your criteria . alexander bed and breakfast and el shaddai . which are you interested in ?
assistant
let s book el shaddai for 4 people for 2 nights starting sunday . can you please send me the reference number ?
user
your reference number is qlyjqkty .
assistant
i will also need a train departing from cambridge .
user
i will need more information to be able to help you find the correct train , where are you headed ?
assistant
i need a train on tuesday from cambridge to london kings cross that arrives by 8:30 .
user
i have 2 trains . 1 arrives by 5:51 and 7:51 , shall i book 1 for you ?
assistant
no , that s ok . can i get the latter train s id , departure time , and how long the trip is ?