Task-oriented dialogue about: train

am looking for a train it should arrive by 18:30 and should go to peterborough
TR9859 cost 16.50 pounds. Is there anything else?
I need to leave on Sunday from Cambridge.
There are two trains that arrive in Peterborough by 18:30. What time are you planning to leave Cambridge?
I just need to arrive by 18:30 in peterborough the departure time doesn't matter.
TR8293 arrives at 17:56 and TR2913 arrives at 18:24. Would you like me to book tickets on one of them?
I need tickets for 8 people. Can you book and give me the reference number?
I booked TR 8293 and you reference number is EPABNNPD . Is there anything else?
No that is all. Thank you.
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