You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking my flight ticket from IAD to PHL?

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

USER: My travelling dates are Sept 12 and Sept 14.

ASSISTANT: Ok, could I have your name please?

USER: Myself Janet Garcia.

ASSISTANT: Ok, do you need direct flight or connecting flight?

USER: I need connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I need my depart ticket at morning time in economy class.

ASSISTANT: Sorry, there is no flight with your requested time.

USER: Thanks for your information.

ASSISTANT: You are welcome, have a great day.