You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Wilson.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: Sure, I would like to take off on Oct 5 and return on Oct 7.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, make sure that the connection limit is 0.

ASSISTANT: Sorry to inform you that there are no direct flights available for you on those dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for choosing us, have a great day.

USER: You are welcome.