You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need a flight ticket reservation to go to Washington, can you please search a flight from EWR to DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: Thank you. My planned departure and arrival travel dates are Sept 24 and Sept 26.

ASSISTANT: May I know your connection limit?

USER: The connection limit in between my journey should be one.

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

USER: The return journey flight  should be in the afternoon time.

ASSISTANT: May I know your name to proceed further?

USER: I am Anthony Robinson.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: It's ok, I will choose some other source to reach my destination. Thank you for searching the flights.

ASSISTANT: Thank you for contacting us.