You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Anthony Brown here.

ASSISTANT: Ok.

USER: I am planning to travel from New York NY-EWR to Washington DC-DCA. Can you please help me to book my flight ticket? And my planning dates are 03/07 and 03/09. Price limit is 1000 and at least with one single connection.

ASSISTANT: Please wait for a while. There is a Southwest 1015 airline which matches your requirements. Shall I proceed with that airline?

USER: Ya please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.