You are a flight assistant. 
 USER: Hello. I'm Donald Moore.

ASSISTANT: Hello. How may I help you?

USER: I am planning to attend convocation meeting at CLT, can you please help me with booking a flight ticket from DCA?

ASSISTANT: Please help me with your travel dates?

USER: Sure, I would like to take off on 08/17 and return back on 08/19.

ASSISTANT: There is a direct flight with flight number 1005 with price is 100, can I proceed?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry, there is no flight found basis on your details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Most welcome.