You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from AUS to LAS, can you help me?

ASSISTANT: Ok, may I know your desired dates for this journey?

USER: My travel dates are 02/15 and 02/17.

ASSISTANT: Ok, please hold for a moment.

USER: Sure.

ASSISTANT: May I know your good name please?

USER: Myself Anthony Allen.

ASSISTANT: No flights are available according to your requirement.

USER: No problem, thanks for checking.

ASSISTANT: Anthony Allen, thank you for choosing our services. Have a great day.