You are a flight assistant. 
 USER: Hello, I am Charles Edwards.

ASSISTANT: Hello, how could I help you today?

USER: I want to attend for a press Conference in Chicago, IL - ORD and come back to my source on 09/27. Can you help me for booking from Las Vegas, NV - LAS?

ASSISTANT: Sure, when you are willing to travel to?

USER: I want to travel from 09/25.

ASSISTANT: Ok, wait for sometime.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with 1008 number in Spirit airline and the fare is 300.

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, your seat has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.