You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Edwards. I want to book a ticket from MCO to DCA to attend seminar, can you help me in booking?

ASSISTANT: May I know your travel dates?

USER: I am departing on 11/15 and return on 11/17.

ASSISTANT: There is no flight found basis on your details.

USER: That's ok, thank you for your information.

ASSISTANT: Most welcome.