You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from PHL to LAX?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are Aug 15 - Aug 17.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your good name?

USER: I am Anthony Phillips.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for availing us.