Yes,  please help me book a train to stansted airport. 
Of course, from where will you be departing?
cambridge, any time after 15:45 on monday
The first train in the time frame you mentioned is the TR1088 from cambridge to stansted airport on monday at 16:40. Shall I book that for you?
Can you tell me the arrival time of that train?
The arrival time is 17:08. 
That works for me. Thank you for your help.
Is there anything else I can help you with?  Do you need a reservation for that train?
No that would be all thank you very much.
Thank you. Have an enjoyable trip.