You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have a business meeting in Atlanta, so please help me to book a flight ticket from Washington.

ASSISTANT: Sure, I will help you. Can I have your airport codes please?

USER: Thank you. The source and destination airport codes are DCA and ATL.

ASSISTANT: May I know your travel dates please?

USER: My preferable travel dates are June 8 and June 10.

ASSISTANT: May I know your name please to proceed for booking?

USER: My name is Pamela Edwards.

ASSISTANT: Do you need a connecting flight?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No, I didn't have any other preferences.

ASSISTANT: I found an economy class in Frontier airlines with fare 200 and it is a connecting flight. Can I book your ticket?

USER: Yes, please do proceed with the ticket booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1011.

USER: Thanks a lot for your support.

ASSISTANT: Thank you for choosing us.