Hello.
user
Hello. How may I help you?
assistant
I looking for a flight from IAD to AUS, can you help me in booking?
user
Sure, please provide your trip dates.
assistant
Sure, my planned travel dates are Nov 23 and Nov 25.
user
Do you have any other special requirements?
assistant
Yes, please look for a normal-cost Airlines.
user
May I know your name please?
assistant
Sure, Nancy Williams here.
user
Sorry Nancy, we regret to inform you that there is no flights available as per your request.
assistant
That's ok, no problem. Thank you for the information.
user
Most welcome.
assistant