You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to submit my project thesis at University in Atlanta. Can you help me in booking a ticket from AUS to ATL?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My preferred trip dates are 04/26 and 04/28.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: There are no flights available at this moment due to heavy bookings.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for reaching us. May I know your name please to complete the process?

USER: Sure, my name is Larry Hall.

ASSISTANT: Thank you Hall.