You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I am planning to meet my childhood friend in AUS, can you please help me in booking a flight ticket from PHL?

ASSISTANT: I am happy to help you in booking your flight ticket. Can you please provide your planned dates of journey?

USER: I want to fly on Dec 26 and return on Dec 28.

ASSISTANT: Would you like to have a direct flight or a connecting flight for your journey?

USER: I need a direct flight.

ASSISTANT: Can you please provide your name for further proceedings?

USER: Myself Nicholas Lopez.

ASSISTANT: Sorry to say this Nicholas Lopez, there are no flights on your route on your planned dates of journey.

USER: Not an issue. Thank you.

ASSISTANT: You are welcome, thank you for reaching us.