I need a train to Ely on Monday.
I can help you with that.  Can you please tell me what station you would like to depart from?
I need to depart from cambridge after 21:45. 
There are 2 trains making that trip. One leaves at 21:50, the next at 23:50. Would you like to book one of those trains?
Yes, I'd like to book the train that leaves at 21:50.
I would like to book the train leaving at 21:50.
Did the booking go through?
yes Booking was successful, the total fee is 4.4 GBP payable at the station .
Reference number is : T5GD6FIT
Great! Can you also help me find a place to dine in the centre area?
Sure thing!  What kind of food are you looking for?  What is the price you'd like to pay - Cheap, Moderate, or Expensive?
I'm looking for European food in the city's centre and in the expensive range.  I need the address, postcode and the phone number.
How about darrys cookhouse and wine shop? Their address is 40270 King Street City Centre. Postcode is cb11ln and phone number is 01223505015.
Thank you, that was quick expedient service.  I am all set, hope you have a great day.
You're so welcome, enjoy your visit!