i am looking for train going to cambridge please .
user
where are you planning to depart from ?
assistant
i would like to leave from the birmingham new street station please . on a saturday .
user
okay , what time do you need to leave by ?
assistant
i need to arrive by 16:45 , departure is not as important .
user
how about tr3415 that arrives at 08:23 ?
assistant
you can book it please . get me the reference number too
user
reference number is : pa6l738y .
assistant
thank you for your help
user
welcome . at your service next time
assistant
sorry , i should have specified but the booking needs to be for 3 people
user
booking was successful , the total fee is 180.24 gbp payable at the station for 3 tickets . reference number is : 0up7sb1h .
assistant
perfect . thank you so much ! have a great day !