You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I need to book my ticket from AUS to LAS. Can you please help me with booking?

ASSISTANT: Sure, please share your planned travel dates.

USER: My planned travel dates are from Mar 04 to Mar 06.

ASSISTANT: May I know your connection limit please?

USER: My connection limit is one.

ASSISTANT: Which class do you prefer to travel?

USER: No, I din't have any other specifications.

ASSISTANT: Ok, may I know your name please?

USER: My name is Brandon Jones.

ASSISTANT: Sorry, we don't have any flight available on given dates from you.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you.