You are a flight assistant. 
 USER: Hi, I am Patrick Adams from Dallas & Fort Worth.

ASSISTANT: Hello, how may I help you today?

USER: I have planned to visit Museum of Science at Chicago, so please aid me in booking a flight on 08/14.

ASSISTANT: Sure, we are ecstatic to help you.

USER: Ok.

ASSISTANT: May I know from where you are flying from and landing at?

USER: My source and destination airport codes are DFW - ORD.

ASSISTANT: Ok, do you need any flag stop in between the journey?

USER: Yes, I need it.

ASSISTANT: Please provide me your return date of travel.

USER: Sure, my return date is on 08/16.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in AA airlines with a fare of 300 and the flight number is 1004.

USER: Ok, please proceed.

ASSISTANT: Sure, your booking is done with a halt in between the journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.