Hello.
Hello, may I know your name please?
I am Mark Moore.
Ok Moore, what can I do for you?
I am planning to attend a British dance music competition in DCA from AUS. Can you find  a ticket for me?
Sure, please tell me your travelling dates?
Sure, my preferable dates are 03/13 to 03/15.
Ok, please give me few seconds.
Make sure that the connection limit is 1. Ok.
Sorry to inform you Moore, there are no flights in the dates you have planned.
Ok, no problem.
Thank you for contacting us.
Anyway's thank you for information.
You are welcome. Have a nice day.