You are a flight assistant. 
 USER: Hello. I am Patrick Miller.

ASSISTANT: Hello, do you need any help from us?

USER: I need to attend a function at MSP, can you help me to book a flight ticket from DCA?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I am travelling from Oct 11 to Oct 13.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: The Southwest airline with flight number 1003 is available having fare as 100 and connection as 1, is it ok for you?

USER: Please proceed to book with this airline.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.