You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking the flight ticket from DCA to IAH?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: My travel dates are Sept 12 and Sept 14.

ASSISTANT: Do you need any flag stop in between journey?

USER: I need a single connection flight.

ASSISTANT: If you have any other preference regarding your journey?

USER: My return time should be in the afternoon.

ASSISTANT: Do you prefer any class?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name please?

USER: Linda Hill.

ASSISTANT:  There is a flight in United airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed and the flight number is 1014.

USER: Thank you for the help.

ASSISTANT: Thank you very much for approaching our agency.