Task-oriented dialogue about: attraction
train

I am staying in the centre of cambridge, can you tell me about places to go there?
Sure, what type of place interests you?
It doesn't matter but can I get their entrance fee.
Castle Galleries is located in the centre of town and are free to enter.
OK, that sounds great. I also need a train to get me to Cambridge.
I have several options but if you let me know your preferred departure point, day and time i can recommend the best option for you.
I will be departing from Kings Lynn on Saturday.
i found 19.what time would you like to go
I need to leave after 20:00.
I have 4 trains that match your criteria. The first leaves at 20:11, then 21:11. 22:11 and 23:11. Which one would you like to book?
Please book the one for 21:11 please.
Okay. Booking was successful. Your reference number is CJNO95ZP . Anything else?
That is all I needed. Thanks!
Have a great day.