You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Is there any flight for me from ORD to AUS, so I can go to meet my professor. Can you help?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: Ok, my travel dates are 05/24 and 05/26.

ASSISTANT: Please provide me your name to proceed further?

USER: Ok, please book on the name Ruth Martin.

ASSISTANT: Sorry, there is no flight with your planned dates in your route.

USER: Thank you for assisting me. It's ok I will plan next week. Happy with your service.

ASSISTANT: Thank you for reaching us.