I'm looking for a restaurant in the expensive price range that serves indian food.
Curry Garden at 106 Regent Street City Centre fits your criteria. Would you like me to book it?
Yes please, what are their hours of operation?
What day and time would you like to book a table?
On Friday please at 19:30 for a party of 5 please.
Your reservation has been made for friday at 19:30 for 5 people at Curry Garden. The reference number is APDCC4GS. Thank you and have a nice day!
Thank you for your help.
You are very welcome. Have a nice day. 
I would also like to book a train departing from Cambridge after 15:30.
I'm happy to help with that. Where would you like to go? Do you have a day in mind?
I'd like to go to Stansted Airport on Saturday. There will be 5 of us. Can you book that?
5 tickets for train TR0638 departing from Cambridge at 15:40 and arriving at Stansted Airport at 15:08 this Saturday. The fee is payable at the station. Reference number: MVIBVUVE.
Thanks thats all. 
You are very welcome. Is there anything else that I can help you with?
No thank you. You've been very helpful.
Have a great day.
Thanks, you too, can I just close this dialogue?
Yes you are all set thank you for using our system.