i need to find a train from cambridge .
user
there are trains leaving cambridge every 2 hour -s .
assistant
i need 1 on friday heading to ely . i need to leave after 19:30 .
user
the train closest to your desired time is tr6053 which departs cambridge at 19:50 and arrives in ely at 20:07 . would you like to book a ticket ?
assistant
what is the travel time on that train ?
user
travel time is 17 minutes .
assistant
i am also looking for a place to go in the centre .
user
we have many diverse activities in the center of town , from architectural landmarks to parks and pools to nightclubs like the soul tree . what interests you today ?
assistant
i am not really picky , just something fun . what s your favorite ?