Is there a restaurant called Cocum?
Yes, it is an indian restaurant in the west. Would you like to book a reservation?
Yes, I would like to book a table for 7 people at 18:00 on Monday. Can you please be sure to give me the reference number? 
Your booking is successful.  The reference number is TOD8XYZB.  Is there anything else I can help you with?
I also need to find a train departing from Cambridge.
I have multiple trains leaving from Cambridge. What would you like the destination to be so I can narrow it down?
We would like to go to leicester on tuesday.
Of course. What time would you like to travel? 
We would need the train to leaver after 11:45. 
I have train TR7692 leaving at 12:21 and arriving at 14:06. Would that be something that would work for you? 
Yes, please book for seven and I would like a reference number, please. 
You're all booked.  The total fee is 264.59 GBP and your reference number is HC7OJ4LI
Thank you that was all
You're welcome, have a lovely trip!