You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Is it possible for you to book a flight for me to travel from AUS to PHL?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My travel dates are Feb 12th and 14th.

ASSISTANT: Do you have any other specifications?

USER: Please find a direct flight for me.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Not to worry, will find an alternative to travel. Thank you.

ASSISTANT: Can you share me your name?

USER: Sure, Carol Hernandez here.

ASSISTANT: Thank you for reaching us.