You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Joseph Brown here, I want to reserve my ticket from ORD to AUS, can you please help me?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: Sure, my planned dates of journey is from 01/19 to 01/21.

ASSISTANT: Please wait for a moment.

USER: Sure, I want a flight which is direct for me to travel.

ASSISTANT: There is no direct flight on that dates.

USER: Ok, no problem.

ASSISTANT: Sorry for inconvenience.

USER: Thank you for your service.

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