What is the intention of the call?

W：Hello, I’m calling to confirm my reservation. My name is Fields.
M：It looks like we have a reservation for two rooms for three nights. Two adults are in each room from April second to the fifth.
W：Actually, it’s from April second to the sixth, four nights.
M：Oh, I’m sorry. Let me change that. Is there anything else I can help you with?
Number 32.What is the intention of the call?
Number 33.How long will Ms. Fields be on the trip?
Number 34.What’s the man’s job?