You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Can you please help me to find a flight and reserve a flight ticket from AUS to LGA?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Thank you. My travel dates are Jan 11 and Jan 13.

ASSISTANT: Do you prefer any specific class to travel?

USER: No but I need a direct flight to travel.

ASSISTANT: Ok, please let me know your good name.

USER: My name is Anthony Gonzalez.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you that no direct flight is available to you on  your dates.

USER: It's ok, thank you for your time.

ASSISTANT: Thank you for choosing us, have a good day.

USER: You are welcome.