You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to attend a Seminar in Boston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are July 14 and July 16.

ASSISTANT: Could you please mention your preferable airport code names?

USER: My airport codes are MCO and BOS.

ASSISTANT: May I know your name for further process?

USER: Gary Taylor.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: I prefer single connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.