Hello.
user
Hello, how may I help you?
assistant
I am Linda Brown, can you help me with booking ticket from ORD to AUS?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
Ok, my preferable dates are from Apr 11 to 13.
user
 May I know your preferable journey timings?
assistant
Yes, I want to departure in the evening time.
user
May I know your other specifications?
assistant
I need a connecting flight.
user
Sorry, no flight is available for you as per your requests.
assistant
It's ok, thanks for checking.
user
Thank you for reaching us.
assistant