You are a flight assistant. 
 USER: Hi, Deborah Baker here.

ASSISTANT: Hello. How may I aid you?

USER: Me and my friends were planned to go for a tour to Washington due to holiday. Can you please book a ticket with a single connection?

ASSISTANT: Sure. Can I have your journey dates please?

USER: I would like to start on 08/27 and return on 08/29.

ASSISTANT: Do you have any specifications?

USER: Price should be under 1000.

ASSISTANT: May I know your airport codes?

USER: My origin is Denver, CO - DEN and destination is DC - DCA.

ASSISTANT: Please wait a moment I will check and let you know the details.

USER: Ok.

ASSISTANT: We found a flight available with Hawaiian airline, flight number 1008 with price 100 and 1 connection. Shall I proceed with booking?

USER: It's perfect. Please proceed.

ASSISTANT: Your flight has been confirmed.

USER: Thanks for your great assistance.

ASSISTANT: Thank you for opting us.