You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: I am Mark Moore.

ASSISTANT: Ok Moore, what can I do for you?

USER: I am planning to attend a British dance music competition in DCA from AUS. Can you find  a ticket for me?

ASSISTANT: Sure, please tell me your travelling dates?

USER: Sure, my preferable dates are 03/13 to 03/15.

ASSISTANT: Ok, please give me few seconds.

USER: Make sure that the connection limit is 1. Ok.

ASSISTANT: Sorry to inform you Moore, there are no flights in the dates you have planned.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Anyway's thank you for information.

ASSISTANT: You are welcome. Have a nice day.