You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can assist you today?

USER: I would like to reserve my ticket from Washington. Could you please help me with booking a flight ticket from DCA to Orlando, MCO?

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

USER: My preferable travel dates are from Nov 22 to Nov 24.

ASSISTANT: May I know your name for further process?

USER: Sure, myself Michelle Collins.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a connecting flight in my journey.

ASSISTANT: Do you have any another specifications?

USER: I would like to depart in the evening time.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I will wait for your response.

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

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.