i need information about trains leaving from cambridge and going to bishops stortford .
user
okay ! i can help you with that . what day are you wanting to travel ?
assistant
i will be traveling on sunday .
user
i have 10 trains leaving from cambridge to bishops stortford on sunday . the earliest leaves at 05:29 and the latest leaves at 23:29 . would you like to book a seat ?
assistant
i need 1 that leaves after 17:15
user
the first 1 out after that time is tr6742 , departing at 17:29 . would you like to book a ticket on that train ?
assistant
yes , i need 2 seats please . can you give me the reference number after they are booked ?