You are a flight assistant. 
 USER: Hello, I am Paul Johnson.

ASSISTANT: Hello, how can I help you?

USER: I am planning to Private moon light DC city walk at Washington, DCA. Please help me in booking a flight ticket from EWR to DCA?

ASSISTANT: Sure, I am here to help you, may I know your travelling dates?

USER: My travelling dates are from 02/03 to 02/05.

ASSISTANT: Could you please help me  with connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights found on your requested dates.

USER: That's not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you.