You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I want to travel from ATL to AUS, because we are collecting funds from friends, to start an orphanage.

ASSISTANT: Sure, Please help me with your travel dates.

USER: Please reserve seats on 01/22 to 01/24.

ASSISTANT: Can I get your name?

USER: I am Elizabeth Nelson.

ASSISTANT: Please wait a minute.

USER: I need a flight with a price of 1000.

ASSISTANT: Sorry, No reservation found with your chosen dates.

USER: Ok.

ASSISTANT: Sorry, No flights found.

USER: Thanks for providing information.

ASSISTANT: Thank you.