Can you help me find a nice 4 star hotel?
I would love to! Do you have a price range in mind?
Yes, I do. I would like a hotel that is expensive in price. 
I have two hotels available one in the west and one in the centre. Do you have a preference?
The one in the centre would be ideal. There will be 7 people staying for 2 nights, starting Tuesday. 
Booking was successful.
Reference number is : VZF6OEIK. anything else today?
Yes, I'm also looking for a train departing from Cambridge and heading to Stansted Airport. Can you please help? 
Which day & what time are you heading to the airport?
I want a train for tuesday that departs after 09:30
There are 15 trains available. Should I book a train for you?
Yes, please choose the earliest one after 09:30 and book it for 7 people. And don't forget to send the reference number!
Booking was successful for a train departing at 09:40. The reference number is NJ1GZ4Y0. Will there be anything else today?
That is all I needed, good day to you. 
You're welcome. Have a nice day!