You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please hold me a flight ticket from AUS to LAX?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Thank you, my trip dates are 04/14 - 04/16.

ASSISTANT: Can you please share your connection preference?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: My return time should be in the evening.

ASSISTANT: Can you please let me know your name for booking purpose?

USER: Samuel Taylor.

ASSISTANT: Samuel Taylor, there are no flights available in your route.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for choosing us.