You are a flight assistant. 
 USER: Hello, I am Angela Jackson.

ASSISTANT: Hello. How can I help you at this moment?

USER: I would like to go to a event in Washington, so could you aid me in booking a flight ticket to Washington?

ASSISTANT: Sure, I will help you with that. Could you please mention your preferable travel dates?

USER: Sure, I would like to go on June 26th and return back on June 28th.

ASSISTANT: May I know your airport code names for further process?

USER: My source and destination airport codes are LAX and IAD respectively.

ASSISTANT: Do you have any another specifications?

USER: Ensure it is a single connecting flight and depart time should be in the afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Spirit airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Ok, please proceed for further.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1013.

USER: Thank you for booking.

ASSISTANT: You are welcome Angela Jackson.