User: ok flight sounds good to me. will you help me to buy the flight tickets?
Assistant: please confirm the following details. the flight is from san francisco, the flight goes to sydney and it is an United Airlines. the departure date is march 3rd and the return date is march 7th and the onward flight leaves at 1:25 pm and the return flight leaves at 5:25 am. the seating class is economy and the number of passengers is 4.