I am looking for a train leaving Sunday that's going to London liverpool street. 
Where are you departing from and what day and time do you want to leave?
Need to arrive by 8:15,not sure when we depart ?
I have a train departing from cambridge on sunday at 05:59 and arriving at 07:27. Would that work for you?
Yes can you get me 7 tickets and I'll need the reference number too please
Sure. The reference number is B15UKEYO. How else can I assist you?
I am also looking for a place to stay that needs free parking and in the north.
Do you have any preferences for the star or price range? 
I would like something in the moderate price range and prefer a guesthouse.
There are seven guesthouses fitting your needs. May I recommend archway house which also has parking and wifi? 
what star rating does the hotel have and what is the address?
Archway house is 4 stars and is at 52 gilbert road, do you want me to make a booking?
no, not at this time.  thank you.  Goodbye.
You're welcome.  Call us back if you decide you want to book that room.  Goodbye.