Hi.
user
Hello, how may I help you?
assistant
Margaret Wright here. Please help me out in booking the ticket from DFW to AUS.
user
Sure, may I know your trip dates please?
assistant
My trip dates will be Dec 19 to Dec 21.
user
Do you have any other requirements?
assistant
My return time must be in the evening.
user
Ok, please wait.
assistant
Ok.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
That's ok, thank you.
user
My pleasure.
assistant