Please help me find a moderately priced restaurant located in the centre. Thanks.
how about Colto, it serves british food, is in the city centre  and is moderately priced
No thanks, is there any turkish restaurants in the same price range and area?
Yes, there are 2 restaurants that fit that criteria, Anatolia and Efes Restaurant.
give me its address,phone number, and postcode please
Anatolia is at 30 bridge street city centre, 01223362372 and postcode is cb21uj.  efes is at king street city centre.  Phone is 01223500005 and postcode is cb11ln.  
Thank you. I also need a train going to London Liverpool Street please
What day were you looking to travel?
I would like to travel on Friday, departing from cambridge and arriving by 18:00.
Okay, the TR9956 leaves at 15:59 and arrives by 17:27. Would you like me to book a reservation for you?
yes please and make them three tickets
Booking was successful, the total fee is 49.8 GBP payable at the station. Reference number is : O2OFXV6A. Is there anything else I can assist you with today?
That is all I needed today thank you. 
enjoy your stay in Cambridge!