U: Could you help me find a college to visit?

S: There are 18 colleges in Cambridge. What area would you like to visit?

U: I would like to visit one in the centre.

S: Christ's College is a free college on Saint Andrew's street.  If you would like to call, the number is 01223334900.

U: What is the street address and postal code for Christ's College? I am also looking for a hotel called the City Centre North B and B.

S: Christ's college is on saint andrew's street. The postcode is cb23bu.

U: Thank you.  I had a friend recommend a hotel called the City Centre North B and B.  Can you tell me if there are any rooms available there?

S: What night, for how long and for how many people?

U: Would you please find if it has firm mattress in the room to comfort my backpain?
S: I'm not sure about firmness, but many guests have had complaints about the beds. Should I try another location for your stay?