I'm looking to book a train that goes to ely and leaves on sunday please.  
There are 10 trains leaving from Cambridge to Ely. Is there a particular departure or arrival time you would prefer?
Yes, I need to leave after 15:45.
TR5713 leaves at 15:50 and arrives by 16:07. Will that work for you?
Yes that will work thank you. 
How many tickets would you like me to book for train TR5713?
I need 2 adult and 1 child.  Thank you.
Booking was successful for TR5713, the total fee is 10.56 GBP payable at the station. Your reference number is : GGE66KI2. Is there anything else I can help you with?
I am also looking for a hotel in the north please. 
The acorn guest house is available in your selected region. It's moderately priced and includes free internet and parking.
That one sounds fine. I need lodgings beginning Thursday.
Sounds great, and how many nights would you like to stay?
I'd like 3 nights for 6 people, please.
I have booked your request, your confirmation number is NWPEWP4X.
Wonderful. Thank you very much! That's everything I needed.
Hope you enjoy your trip! Thanks for allowing us to assist you.