You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Sandra Moore, I want to book a flight from Chicago, IL-ORD to meet my friend who lives at Atlanta. Can you book a flight under fare of 200?

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: I will fly on 03/26 and I will return on 03/28.

ASSISTANT: May I now your landing point?

USER: My destination airport is GA-ATL.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your requested details. Thanks for approaching us.

USER: Ok, thank you for the details.