hello , i need a train to take me london kings cross and i need to arrive by 13:15 .
user
how about tr5767 that leaves at 05:00 ?
assistant
that is too early in the morning for me . is there 1 that will get me there close to 13:15 ?
user
the best option for you will arrive at 11:51 . would you like me to book it for you .
assistant
sure , the train departs from cambridge right ? and what s the departure time and travel time . this is also leaving on tuesday correct ?
user
yes , it departs from cambridge .
assistant
can you get me the travel time and the departure time ? that s all i need to know about the train .