You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, which help do you need from my side?

USER: I am Katherine Lopez. My son wants see Magic Gardens it is in Philadelphia, can you please book a flight ticket from AUS to PHL?

ASSISTANT: That is a good place to visit Lopez, I can help you. May I know your trip dates?

USER: My travelling dates are 07/18 and 07/20.

ASSISTANT: Please wait I will check it.

USER: Ok.

ASSISTANT: Sorry Lopez, based on your information there is no flights moving to your region.

USER: It's ok. Thank you for your information.

ASSISTANT: Thank you for visiting us with your query, enjoy your day Lopez.