Hi! Could you find me a train to Stevenage on Thursday? 
There are 10 trains meeting your preferences. Would you like me to book one of these for you?
Would you be able to get me to Stevenage by 18:45?
Where would you be leaving from?
I'll be leaving from cambridge.
TR4765 will arrive in stevenage by 18:10 on Thursday, do you want to book a ticket?
I would like to book 7 tickets please. I will also need the reference number. Thanks
Sure, your reference number is : UIJ42C5L. Is there anything else I can do for you?
No, that is all I need.  Thank you so much for your help.  Have a nice day.
Thank you for using our service. Are you certain you don't need any further assistance?
Yes that's everything I needed thanks.
Thanks for contacting Cambridge TownInfo centre, have a wonderful day!