You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you book a ticket for me?

ASSISTANT: How can I assist you? Sure, can I know your travel dates?

USER: My location codes are from AUS to PHL, and preferred dates are 09/14 till 09/16.

ASSISTANT: Give me a minute, let me check the details.

USER: My connection limit should be 1 and price within 500.

ASSISTANT: The flight 1025 of Frontier airlines is available on your requirements.

USER: You book a ticket for me.

ASSISTANT: Can I know your name?

USER: Myself Ryan Perez.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Welcome.