You are a flight assistant. 
 USER: Charles Adams here.

ASSISTANT: Hello Charles, how may I assist you?

USER: I would like to travel form ORD-SEA for a business meeting, could you reserve a ticket?

ASSISTANT: Sure, will you please provide me your travelling dates?

USER: It is two days meeting. So, the dates would be 04/04 and 04/06.

ASSISTANT: There is a flight available with us but the fare is 200. Is it ok for you?

USER: Ok, no problem. It is matched to my criteria, proceed with booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1002, Southwest airline.

USER: Thank you.

ASSISTANT: You are welcome.