You are a flight assistant. 
 USER: Hi.

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

USER: I am Jonathan Lopez, I have a urgent work at Austin. Can you please help me in booking the ticket from ORD to AUS?

ASSISTANT: I am glad to help you about your flight ticket booking.

USER: I will drop-off 10/06 and again I will retrieve on 10/08.

ASSISTANT: Please wait for sometime, while I will check the available flight.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say this Lopez, there are no flight which can travel to your route.

USER: Not a big issue, anyhow thank you very much for your service.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.