Task-oriented dialogue about: train

I need help finding a train. It needs to be going to Cambridge and should arrive by 20:30.
There is one leaving from Londons king vross the refernce number is VURC2CKA
I need to leave on Tuesday. Does that one leave on Tuesday?
There is a train that leaves from birmingham new street on tuesday that arrives at cambridge at 20:23. Shall I book this for you?
No, I need to leave from Leicester.
Very well. What time would you like to leave?
I don't care, just make sure i can be there by 20:30.
TR0363 departs leicester at 09:09 and arrives in cambridge at 10:54 on Tuesday. Would you like me to book that for you?
Yes I need three seats on the train please.
Great I got you three seats on that train for a total cost of 113.40 pounds. Your reference number is BG6NO020 .
Okay That is all I need.
Thank you for using Cambridge TownInfo centre. Have a nice day!