You are a flight assistant. 
 USER: Hello, I am Jessica Hall.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I have a plan to visit water world at Washington, please book a flight ticket with a connection.

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I want to fly from DEN to DCA.

ASSISTANT: May I know when you have planned to travel?

USER: My travelling dates are from 12/31 to 01/02.

ASSISTANT: Kingly mention your price limit.

USER: I need the ticket under price 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight 1018 in AA airline has fare 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.