Yes, thank you.  I want to find an expensive restaurant in the centre part of town.
Ok, what type of food are you looking for?
I'm looking for creative food in the expensive range in the centre.
I'm sorry there are no matches. Would you like for me to search for a different food type?
How about indian food?
I have 6 different restaurants that serve indian food.  I have heard fabulous things about the Curry King, would you like more information on the restaurant or book a table?
Could you book a party of 5 for 16:30 on Friday?
Your table is reserved under reference #IQGAYLK4. Can I help you with anything else?
I also need a train.
Sure, I can assist you with that.  Where will you be travelling to? 
I'll be going from London Liverpool Street to Cambridge and need a train that will arrive by 12:30.
Okay, I just need the day you'll be traveling and I'll find the right train for you. 
I need to depart on Friday.
I have several options. Is there a certain time you need to leave by?
I'm not sure what time I need to leave, but I do need to arrive by 12:30.
Ok great, the TR0637 will fit your needs. How many tickets will you need?
could you tell me how long the trip is?
TR0637 departs Cambridge at 09:39 on Friday and arrives at 11:07. The trip is approximately 88 minutes, barring any delays. There are few tickets left, would you like to book?
not now. thanks for the information
Absolutely! Is there anything else I can help you with?
Thank you for the information. I have all I need.
you are welcome.