You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Michelle Clark. I am looking for a flight booking agency to book the flight ticket from BOS to DFW, can you please help me in booking the ticket?

ASSISTANT: May I know your other specifications?

USER: Yes, I would like to departure in the morning time.

ASSISTANT: May I know your travelling dates?

USER: Ok, my preferable dates are from Feb 09 to 11.

ASSISTANT: May I know your connection preferences?

USER: Sure, I need a connecting flight.

ASSISTANT: Sorry, no flight is available for you.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.