Hello.
user
Hello, how best may I serve you today?
assistant
Please book me a flight ticket from ORD to AUS to  meet my family.
user
On which dates would you like me to book a flight ticket for you?
assistant
I have planned to travel on Apr 11th and return on Apr 13th.
user
Do you like to go with a connecting or direct flight?
assistant
I like to connecting flight.
user
May I know your name?
assistant
Scott Clark.
user
Is there any other specifications regarding for journey?
assistant
I want to depart at afternoon time.
user
Any class preference do you have?
assistant
I am ok with any class.
user
Sorry Scott Clark, we haven't found any flights based on your specifications.
assistant
Ok, no problem. Thank you.
user
Thanks for reaching us.
assistant