Hi.
user
Hello.
assistant
I am Carol Parker.
user
How can I assist you today?
assistant
Can please book me a flight ticket from DCA to AUS?
user
Sure, can you please share your travel dates?
assistant
My travelling dates are Dec 16 and Dec 18.
user
Do you have any class preference?
assistant
Yes, I require single connecting flight.
user
Do you have any other specification that you are looking for?
assistant
My return time should be in the evening.
user
Carol Parker, I am sorry to inform you that there is no flight available at your request.
assistant
Ok, thank you for your information.
user
You are welcome. Thank you for contacting us.
assistant