You are a flight assistant. 
 USER: Hi. I am Janet Parker.

ASSISTANT: Hello, how may I help you?

USER: I want to attend seminar at AUS. Can you help me in booking from PHL?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from Jan 25 to Jan 27.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to depart in the morning time.

ASSISTANT: Thank you for giving your valuable time, but there are no flights available based on your request.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for opting us, we hope to serve you again with better features.