I need to find a train into Cambridge that will arrive by 09:15.
I can help you with that. Where are you traveling from?
I will be leaving the Stansted Airport on Thursday.
Perfect, I have train TR1472 that meets your criteria, would you like me to book a ticket for you?
Book it for 3 people. 
Sure. Your train is booked. The fee will be 30.29 GBP and your reference number is 7FGDRE1Q.
I need to find a place to stay as well. Can you help?
I need to know what you're looking for first.