You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Michael Brown. I want to attend get to gather party at AUS, can you please help me to book a ticket from ATL?

ASSISTANT: Sure, let me know your travelling dates?

USER: I have planned to travel on Nov-28 to Nov-30.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I am ok with any flight.

ASSISTANT: How much can you spend on your flight ticket?

USER: I can afford up to 5000.

ASSISTANT: Thanks for your details, there is no flight  found on your desired routes.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for reaching us.