I'm looking for a train that goes to Cambridge on sunday.
Where would you like to depart from?
I'll be traveling from Norwich, and I'd really like to arrive in Cambridge by 14:00 so I can be on time for my appointment.
There is a 12:16 that will arrive at 13:35.  There are also earlier trains if you want to arrive earlier. 
That train would be find I need to get the train ID and price please. 
The train ID is TR5225 and the price is 14.08 pounds per ticket. Anything else I can help you with? 
I'm also looking for a place to stay.
The apha-milton guesthouse is in the moderate price range. It does not have internet. would you like me to book a room
yes and I need a confirmation number
How many nights will you be staying, and for how many people?
3 nights for 2 people,can you book it for me ?
Certainly if you supply me with your arrival day.
Tuesday of next week in the pm 
Booking was successful.  Your Reference number is : 58PX1M08.  Is there anything you would like help with today?
No, that's all today. thank you.
You're welcome, have a great day.