i need to book a train to travel to london kings cross leaving after 10:45 . can you help me with this ?
user
sure ! where would you like to depart from ?
assistant
i'll be leaving cambridge on wednesday .
user
there are trains leaving at the hour throughout the day and night . if can book 1 of those for you if you like .
assistant
i need to leave after 10:45 .
user
i can book you on tr9781 leaving cambridge at 11 on wednesday . how many tickets should i reserve ?
assistant
can you book me 6 tickets please ? i will also need the reference number too .