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