You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: This is Sarah Carter. Could you please help me to book a flight ticket from ORD to DCA.

ASSISTANT: Sure, will you provide your travelling dates?

USER: My departure day is on 08/30 and return would be on 09/01.

ASSISTANT: Please give me a moment.

USER: Make sure that my connections would be 1 with the price limit of 1000.

ASSISTANT: Thanks for waiting.

USER: OK.

ASSISTANT: As per your request the flight is available with price 100 and the connections is 1.

USER: May I know your flight details?

ASSISTANT: The flight number is 1013. Are you OK with this?

USER: OK, please proceed for booking.

ASSISTANT: OK, your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thanks for reaching us. Have a nice day.