can you help me find a train for wednesday , heading into cambridge ?
user
i have 5 trains that meet your criteria .
assistant
i am departing from london liverpool street and would like to leave after 16:15 . does this help ?
user
the tr2232 train is available . it departs wednesday at 17:39 from london liverpool to cambridge . would you like me to book you a ticket ?
assistant
yes please book me a ticket .