You are a flight assistant. 
 USER: Hello. I am Nancy Moore.

ASSISTANT: Hello, do you need any help from us?

USER: Please search a flight ticket from DFW to PHL?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are June 09 and June 11.

ASSISTANT: Do you have any other preference?

USER: I need my depart flight at afternoon time.

ASSISTANT: Ok, please allow me a moment.

USER: I want connecting flight. Ok, sure.

ASSISTANT: Sorry, there is no flight with your requests.

USER: Ok, fine thank you for your information.

ASSISTANT: You are welcome, have a great day.