Hi. Please help me find a 4 star hotel to stay at. 
I like acorn guest house.  Need me to book a room?
Yes, but I just want to make sure that it includes free parking and is in moderate price range. 
Yes it has both of them,would you like to make a booking?
Yes.  Please book for 6 people for 2 nights starting Wednesday. 
booking was successful. your  Reference number is : T49NV9KO
Thanks for settling the lodging. I also need a train to go to stansted airport which arrives by 12:00, please.
There are several possibilities for the train, I just need to know what day you need the ride booked for?
I'll be leaving from Cambridge on Friday.
There are 6 trains that match your query. Would you like to book any tickets?
Yes, please choose the first option and book it for 6 people. And do remember to give me the reference number for the reservation
Okay, your reservation is booked with reference number SD46UL0Q. 
Great, that is all I need. Thank you.
I hope your trip is wonderful.