can you book me a train to Cambridge that leaves on Saturday.
There are 202 trains to cambridge on Saturday. Can you tell me your departure station and the time you'd like to travel?
I would like to leave from stansted airport after 15:00
I found nine trains leaving stansted airport for cambridge, leaving every hour starting at 15:24.  Would you like to book that first train?
I would maybe be interested in booking this train. What is the train id, price per ticket and arrival time?
The train is TR1493 with the price 8.08 pounds. The arrival time is 15:52.
Okay thanks, I also need info for the cow pizza kitchen and bar.
Ok. That's a moderately-priced gastropub in the centre. Would you like the address or phone number?
I would like to make a reservation for 6 people on Saturday.
What time would you like?
I'd like the table for 19:00, please.
Okay. I have made a reservation for Saturday at 19:00 for six people. 
Great, all I need is the reference number please. 
I unfortunately do not have this info for you. The booking is now saying unsuccessful.
Can you try again please? 
Unfortunately, after trying to book again I was still unsuccessful. Would you like to try another day or time?
Could you please try 18:00 on the same day?
Your booking for Saturday at 18:00 was made. Your reference number is  L7W1NACD. May I help you with anything else today?
That is all. Thank you.
Have a great day.