Hello.
user
Hello, how may I aid you?
assistant
Please book me a ticket from AUS to CLT to meet my family.
user
May I know your trip dates?
assistant
I have planned to travel on Sept 18th and return on Sept 20th.
user
Do you have any other specifications?
assistant
I would like to return at afternoon time.
user
Do you need any class preference?
assistant
Yes, I like business class.
user
May I know your name?
assistant
Myself Margaret Taylor.
user
There are no flights available on your request.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant