Task-oriented dialogue about: train

I am looking to book a train. I need to leave Cambridge and go to London Liverpool Street.
No problem, I have many options for you. Do you have a particular day of the week you would like to travel, or time?
yes. i should leave after 13:45 and should leave on thursday
I have a train leaving Thursday at 13:59, would you like me to book it for you?
Could you tell me when the train arrives in London Liverpool Street?
That train arrives at 15:27. Would you like me to book it for you?
yes pliz.may i also get the arrival time
The arrival time is by 15:27, do you want to book a seat?
Not yet. I just needed to get the details. Thanks for helping me. Goodbye.
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