Domains: train

user: I'm looking for a train. The train should depart from cambridge and should go to london liverpool street

assistant: I can help with that! What day will you be traveling?

user: Tuesday, leaving sometime after 19:45.

assistant: Train TR3515 will be leaving Cambridge at 19:59 on Tuesday, and will arrive at London Liverpool Street by 21:27. Would you like me to book it for you?

user: Yes please! Could you please give me a price?

assistant: The price is 16.60 pounds. How many tickets will you be needing?

user: thank you very much,that's2 all

assistant: If you'd like us to reserve tickets for you, please keep us in mind. We would be happy to help with that.

user: sure i will, thank you

assistant: You're welcome and thanks for using our help desk. Goodbye.