hello , i would like to book a train on friday that arrives by 17:30 .
user
what s your to and from location ?
assistant
i am leaving from london kings cross station and traveling to cambridge .
user
there are 6 that arrive by 17:30 , the closest being tr8842 , which arrives at 16:08 . is that to your liking ?
assistant
yes , please ! what s the reference number ?
user
can you please tell me how many tickets you will need for this trip ?
assistant
i will need 2 tickets
user
ok , i have booked you for 2 tickets with reference number ercazmga . the fee will be 47.20 gbp , payable at the station . can i help you with anything else ?
assistant
yes , i am wondering if there are any expensive modern european restaurant -s in town .