You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Jones.

ASSISTANT: What can I do for you?

USER: I am planning to travel on 09/13 to 09/15, can you help in finding a flight?

ASSISTANT: Sure, I will help you. Can you tell me your nearest airport code from where you like to take off?

USER: Its a round trip ORD to ORD.

ASSISTANT: Ok, please wait a minute. I will get back to you.

USER: Sure.

ASSISTANT: In Southwest airline, direct flight is available and fare is 200. Shall I proceed your ticket booking?

USER: Proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.