You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am planning to book a flight ticket to AUS from LAX, can you please help me out?

ASSISTANT: Sure, please provide your travelling dates.

USER: Sure, my planned travelling dates are Sept 25 and Sept 27.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, please let me know your connection limit.

USER: Ok, I am looking for a flight with 1 connection.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, please wait.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, we are sorry to inform you that there were no flights found with your given details.

USER: It's ok, thank you for the information.

ASSISTANT: Please mention your name for documentation purpose.

USER: Sure, my name is Donald Hall.

ASSISTANT: Thank you for approaching us.