You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Thomas Hill. I want to book a flight ticket from PHL to AUS. Can you help me in booking a flight?

ASSISTANT: Sure, can I know the travel dates please?

USER: My traveling dates are from 02/17 to 02/19.

ASSISTANT: Ok, wait a moment please.

USER: I need a flight with zero connection.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: It's ok no problem. Thank you for checking.

ASSISTANT: Thank you for approaching us.