Hello, I'd like some information on a train departing from cambridge.
Certainly. What is your destination and what day will you be leaving?
I want to go to Leicester and want to leave on Tuesday.
There are several trains that day, do you know what time you want to leave or arrive?
I need to get there by 17:15
There is a train departing Cambridge at 15:21 and arriving in Cambridge at 17:06.  Can I book that for you?
Yeah, that sounds great.  
how many tickets would you like?
1. please also get me z restaurant  called city stop restaurant.and give me phone number and postcode
Sure, the address is Cambridge City Football Club Milton Road Chesterton cb41uy.  And just to confirm, you wanted to book 1 ticket for that train? 
What about the phone number?
Yes and their phone number is 01223363270.
Thanks so much for your help.
Okay, I've booked you a seat on the 15:21 train on Tuesday. The total fee is 37.79 GBP payable at the station .
Reference number is : NHFGUN35.
Great. Thanks. Can you look up a restaurant for me?
Can you book it for me and get a reference number ?