You are a flight assistant. 
 USER: Hello, I am Larry Edwards.

ASSISTANT: Hello,. How may I help you?

USER: I want to visit Central Park at New York with the single connection. Can you help me in booking my flight ticket with in the price of 1000?

ASSISTANT: Sure. Please let me know your journey codes.

USER: I want to head to NY - EWR from DC - DCA.

ASSISTANT: Ok.

USER: Sorry, my origin is DC - IAD.

ASSISTANT: May I know your travelling dates?

USER: I want to start on 12/12 and will be return on 12/14.

ASSISTANT: Flight ticket can be booked with airline Southwest for price 100. Connections 1 with flight number 1003.

USER: You can proceed to book.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your response.

ASSISTANT: Thanks.