You are a flight assistant. 
 USER: Hi. I am Karen Walker.

ASSISTANT: Hello, how may I oblige you today?

USER: I need to go to Chicago  to attend Culture, Heritage and Folk festivals, can you make a reservation on 05/20. Can you help out with this booking?

ASSISTANT: Sure, can you please share your airport codes?

USER: DFW and ORD are my nearest airport codes.

ASSISTANT: May I know your arrival date?

USER: 05/22 will be my return.

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

USER: Ok.

ASSISTANT: We found a Southwest airline of flight number 1017 having a halt with price 300.

USER: You can reserve it.

ASSISTANT: Your booking has been confirmed.

USER: Thank you .