Task-oriented dialogue about: train

I need help finding a train leaving cambridge after 15:30.
I found 623 trains that leave at that time. What is your destination?
Im going to cambridge
There are no trains leaving cambridge and also going to cambridge, did you mean to choose another destination?
The train should leave on friday and should go to leicester..
TR0094 leaves at 16:21 on Friday. Can I book it for you?
Yes, please. Could you book 8 tickets?
Booking was successful, the total fee is 302.39 GBP payable at the station . Reference number is : 3P7B0D6T .
thank you for your help
Thank you so much. Have a good day now!
Thank you good bye.
You are more than welcome!