You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Joshua Nelson.

ASSISTANT: How may I guide you today?

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

ASSISTANT: May I know your airport codes to proceed further?

USER: Sure, I would like to take off on 05/08 and return back on 05/10.

ASSISTANT: Please wait for a minute. I found a ticket for you with price 100, flight number is 1019 and connection is 1.

USER: Yes, please proceed with the booking.

ASSISTANT: I confirmed your ticket successfully with Southwest airline.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.