Domains: train

user: Please find a train that departs from Peterborough and arrives in Cambridge by 8:45.

assistant: Okay, and which day would you like to travel?

user: I would like to leave on Saturday from london liverpool street

assistant: The TR3390 arrives Saturday at 8:38. Would you like me to book it for you?

user: Can I get travel time and price first, please?

assistant: The trip is 50 minutes long and it is 13.20 pounds for a ticket.

user: Ok thanks, Im ready to book.

assistant: Great, I have booked your ticket, your reference number is : 9LLWMNOM . May I help with anything further.

user: I'm so sorry. I didn't mean to book yet. I won't need that reservation. Could you make sure that train TR3390 is departing from London Liverpool?

assistant: Train TR3390 is departing from peterborough to cambridge. Would you like me to look for a train departing from London Liverpool?

user: Yes, please. I need to know the price and travel time for that as well.

assistant: TR7397 leaves from London Liverpool Street on Saturday at 05:39 and arrives in Cambridge at 07:07 with travel time of 88 minutes. Cost is 13.28 pounds. Shall I book this ticket?

user: No, thank you. That's all I needed today.

assistant: Thank you, goodbye.