You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Daniel Baker. I need a flight from AUS to PHL, can you help me out please?

ASSISTANT: Sure, can you please share your travel dates?

USER: My trip dates are from 01/17 till 01/19.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Daniel, I am sorry to inform you that there is no flight available at your requested dates.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for contacting us.