You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you help me in booking a flight ticket from PHL to DCA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to travel on 10/02, and return on 10/04.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want to depart in the evening time.

ASSISTANT: Can you please provide your name to proceed further?

USER: I am James Clark.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thanks for the information.