You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Dorothy White. I need to book a flight ticket to attend a college fare well at PHX, Can you please help me for booking from DCA?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I would like to travel on 12/18 to 12/20.

ASSISTANT: Do you need any connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a Delta airline,flight number:1012 and the price is 300.

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.