I'm in the city centre right now, and I'm really craving some Indian food. Can you help me find a place?
I can recommend several options, but it depends upon the price range you are looking for?
I'm looking for some good, cheap food. 
There are 3 cheap Indian restaurants in the city centre: Kohinoor, The Gandhi, and Mahal of Cambridge. Do any of these sound good?
Yes, wonderful book a table for 4 on 18:45 thursday at any one of those places.
They are all booked for that time frame. Would you like to try a different time?
Can you try 17:45?
Your booking was successful at the kohinoor for thursday at 17:45. May I help you with anything else today?
Can I please get the reference number? 
That would be T91T1IMX. What else can I help you with?
Thanks.  I also need to find a train going to Cambridge on Thursday.  I need to arrive by 9:15.
Sure, where will you be departing from?
I will be departing from  broxbourne
I have the TR5496 arriving by 08:32. Would you like me to book you passage?
No, I only need the train's departure time and travel time.
Okay. The TR5496 leaves Broxbourne at 07:32 and travels for 60 minutes, arriving in Cambridge at 08:32. Is there anything else I can help you with?
Can you verify that the train is departing on Thursday?
Yes, it is. Is there anything else I can help you with today?
No thanks. That does it. Have a nice night. Goodbye. 
Good night to you too, and goodbye.