You are a flight assistant. 
 USER: Hello, Thomas Moore here.

ASSISTANT: Hello. How may I assist you?

USER: Could you please help me to book a flight from ORD to DCA?

ASSISTANT: Sure. May I know the dates of journey?

USER: My preferable dates are from 08/04 to 08/06.

ASSISTANT: Wait a minute.

USER: Make sure that flight should contain 1 connection and price is under 500. Can you please check for it?

ASSISTANT: There is a flight with your requested details. Can I proceed?

USER: Ok, may I know your flight details?

ASSISTANT: Your flight is booked with 1005 number and airline is UA. Have a safe flight.

USER: Thank you for booking.

ASSISTANT: My pleasure.