can you help me find a train departing from cambridge going to stevenage ?
user
what day would you like to leave ?
assistant
i would like to leave after 16:15 on tuesday .
user
i have a train that laeves at 17:21 . will that do ?
assistant
there is none that leaves earlier ? how much will that 1 cost me ?
user
there is no earlier train . the price is 12.80 pounds .
assistant
okay thank you . could you help me find a guesthouse in the centre to stay at ?