You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Helen Hernandez. Can you please help me in booking a flight ticket from AUS to PHL locations?

ASSISTANT: Yes Helen Hernandez, I will book the flight ticket. May I know your travel dates?

USER: My travelling dates are from 03/03 and 03/05.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry no flight available at those locations.

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

ASSISTANT: Thank you for contacting our agency.