i am looking for a train that runs on tuesday .
user
sounds good , where will you be arriving from and going to ?
assistant
i will be departing from london liverpool street and arriving at cambridge .
user
i have many travel time to choose from . do you have a preferred travel time ?
assistant
i want to leave after 14:45 .
user
the tr5245 leaves london liverpool street at 15:39 and gets into cambridge at 17:07 . would you like me to book it for you ?
assistant
that sounds great . will you make a booking for 5 people please ? and i would like the reference number for my records .
user
ok i will book it for you for 6 people
assistant
actually i only need it for 5 people and i will need a reference number .
user
booking was successful , the total fee is 83 gbp payable at the station . reference number is : 7f4ohhp6 payable at the desk , any other questions today ?
assistant
yes , could you help me find a north american restaurant that is expensive .
user
the gourmet formal kitchen is a great choice . shall i book it ?
assistant
yes , book it for 5 people on tuesday at 17:00 . do not forget to send my reference number !
user
okay , you are booked . ref no . ibi16v4a
assistant
great ! ! thank you for all your help .