i am looking to book a train . i need to leave cambridge and go to london liverpool street .
user
no problem , i have many options for you . do you have a particular day of the week you would like to travel , or time ?
assistant
yes . i should leave after 13:45 and should leave on thursday
user
i have a train leaving thursday at 13:59 , would you like me to book it for you ?
assistant
could you tell me when the train arrives in london liverpool street ?
user
that train arrives at 15:27 . would you like me to book it for you ?
assistant
yes pliz . may i also get the arrival time
user
the arrival time is by 15:27 , do you want to book a seat ?
assistant
not yet . i just needed to get the details . thanks for helping me . goodbye .