You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Gregory Evans here, I want to reserve my ticket from PHL to AUS, can you please help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my dates of journey are from 05/08 to 05/10.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure, but I want a direct flight.

ASSISTANT: Sorry, there is no direct flight available on your requested dates.

USER: Ok, that's fine. I will try with the another booking agency.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: I appreciate your service, thank you.