I need to find out if there's a train going to stansted airport that leaves after 12:30.
We have a train leaving on Friday by 12:40 from Cambridge to Stansted airport but we need to know your departure point and date of departure to serve you better
Yes I will be leaving on Tuesday. 
When would you like to arrive by? 
Tuesday would be ideal for me.
The best fit for you from the search list is the 12:40 train leaving cambridge on Tuesday to arrive stansted airport by 13:03.
That works, may I please have the reference number?
Actually, it will arrive by 13:08. Does that work for you?
Yes. I need it for 8 people. 
Booking was successful. Your reference number is 2QS7T2UC. Do you need anything else?
Great I also need to stay at the University Arms Hotel
Okay I can help with that! What day would you like to check in and how long will you be staying?