You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Justin Lopez on this end, can you please help to visit my family on this weekend in Austin?

ASSISTANT: Sure, when would you like to visit Austin?

USER: My travelling dates will be from October 3rd and I will be returning back on October 5th.

ASSISTANT: Can you please share your airport codes?

USER: My source location code is ORD and my destination airport code is AUS.

ASSISTANT: Ok, please wait a moment.

USER: I need a direct flight only. And my return time will be in the afternoon.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Oh! That's disappointing to know. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.