U: I will be in the centre of cambridge.  I am looking for any type of attraction involving architecture.

S: I'd recommend All Saints Church on Jesus Lane. Did you need help with anything else?

U: Can you give me the postcode for that?

S: The postcode is CB58BS. Can I help you find anything else?

U: I need a place to stay.

S: There are 33 places to stay, do you have any requirements?

U: I need something in the south and free parking.

S: I would recommend the Bridge Guest House based on your criteria. Would you like me to book you a room?

U: Can I get housekeeping everyday at the Bridge Guest House?

S: Yes, they have housekeepers who are on-site and will service the room each morning. Do you have any other questions for us?

U: Do they charge a fee for WiFi?

S: The hotel offers free wifi service. Would you like to know more about the inn?

U: Can you tell me what their star rating is?

S: Of course! They are a 3-star establishment. Would you like me to go ahead and book that for you?

U: yes, 7 people 4 nights starting Wednesday.

S: I'm sorry. There is no availability. Would you like to try different dates or another hotel?

U: How about just 2 nights instead?

S: Bridge Guest House was available for 2 nights. Your reference number is ULWMFZAX. What else can I do for you today?

U: What is the cost of WiFi at this hotel?
S: The WiFi is free of charge at the Bridge Guest House. Would you like to know anything else about them?