You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please help me out in booking the ticket from AUS to PHL.

ASSISTANT: Sure, may I know your planned trip dates?

USER: My trip dates will be Feb 17 to Feb 19.

ASSISTANT: Is there any connection limit?

USER: No.

ASSISTANT: May I know your class preference?

USER: I am comfortable with the both classes.

ASSISTANT: Can you please share your arrival and depart timings?

USER: My return time must be in the evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your good name.

USER: Pamela Anderson is my name.

ASSISTANT: Sorry, there are no flights found on your specified trip dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for availing us.