You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Mary Allen. I am looking for a flight with 1 connection, Can you please book a ticket for me?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to travel on 01/22 and return back on 01/24.

ASSISTANT: May I Know your airport codes?

USER: I am planning to visit my brother's home at AUS. Can you please book a ticket from ATL.

ASSISTANT: Thanks for providing your details. There is no flight found with your requirement.

USER: That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.