Task-oriented dialogue about: train

I am looking for a train. The train should leave on monday and should leave after 16:45
Where are you going and where are you headed?
The train should leave on monday and should leave after 16:45, departing from stevenage and should go to cambridge.
I have a train that departs at 17:54 and meets your criteria. Would you like me to book it for you?
Can you book passage for 7 people, please?
Booking was successful, the total fee is 89.6 GBP payable at the station . Reference number is : 3FDGDHDS .
Thank you for your help.
You are more than welcome!
Have a wonderful day!
Thank you for using our services. Do you need any further assistance?
No that was all. Goodbye.
Thanks for using the Cambridge TownInfo centre. Goodbye.