You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm George Robinson.

ASSISTANT: How can I help you Robinson?

USER: I am planning to attend music concert at DCA, can you please help me with booking a flight ticket from ORD?

ASSISTANT: On which dates do you want to travel?

USER: I would like to take off on 03/08 and return back on 03/10.

ASSISTANT: Please wait for a moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Sure, I found a direct flight for you. Can I book?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry Robinson, there is no connecting flight is available for you.

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

ASSISTANT: Thank you for choosing us.

USER: You are welcome.