Hi. I am looking for a hotel to stay in.
Do you have a hotel in mind or a price range?
I wanted somewhere expensive :D 
there are five expensive hotels in cambridge. Do you have a star preference or area in mind?
Yes. I'm looking for a 3 start hotel
I recommend the gonville hotel located in the centre of town. Would you like me to book you a room or do you need anymore information?
Is there an expensive hotel with 3 stars that is located in the south?
Yes, there is the lensfield hotel.
 book it for 1 people and 2 nights starting from saturday.
I was able to book your room per your request.  The reference number is : 9RXKQ7C3.
Can you locate a train that will take me to the hotel.
Yes, where will you be departing from?
The train should depart from cambridge and should leave on sunday.
What is your destination, and what time would you like to leave?
I'd like to leave after 13:00 on Sunday and I want to go to Kings Lynn.
I have options available would you like me to book something for you. 
I just need the train ID, please.
Sure thing TR7423. Thank you
Thanks for serving me!
Your welcome. Have a great day!
You too much appreciated. 
Glad to be of service. Goodbye.