You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you help me to book a connecting flight from AUS to PHL?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travelling dates are 08 and 10 of July.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any airline preference?

USER: I prefer to travel in normal cost.

ASSISTANT: Do you have any specification?

USER: No.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: It's ok, not a problem, thank you.

ASSISTANT: May I know your name?

USER: I am Joseph Walker.

ASSISTANT: Thank you for reaching us, have a nice day.