You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a connecting flight from MCO to DCA?

ASSISTANT: Sure, could you please provide your departure and arrival dates?

USER: Sure, I want to travel on Aug 16 and need to return on Aug 18.

ASSISTANT: Are you looking for any preferred connections?

USER: I already mentioned above.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Can I have your name?

USER: My name is Ashley Young.

ASSISTANT: Thank you for reaching us.

USER: Thank you.