Domains: train

user: I need to find a train to take me to stansted airport. Can you help me?

assistant: I have many trains going to Stansted Airport. What is your preferred departure and arrival time?

user: the train should leave Cambridge on Tuesday and arrive by 21.30

assistant: TR8261 leaves cambridge Tuesday at 9:40 and arrives at stansted airport by 10:08. Would you like to buy a ticket?

user: Yes I'd like to book for 3 and get the reference number if I could.

assistant: Booking was successful, the total fee is 30.29 GBP payable at the station. Reference number is TXK6U7DG .