You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Please book a ticket from PHX to DCA to attend Cultural festival.

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: My scheduled dates are Apr 25 and Apr 27.

ASSISTANT: May I know your name?

USER: I am George Lee.

ASSISTANT: Is there any other requirements?

USER: I want single connection.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

ASSISTANT: The United airlines are providing a flight having a connection limit 1 and the ticket fare of 100. Can I proceed with the ticket booking?

USER: Ok, please proceed.

ASSISTANT: Yes, your flight ticket is confirmed in an economy class and economy class and the flight number 1012.

USER: Thank you.

ASSISTANT: Thank you for approaching us.