You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Kenneth Thompson.

ASSISTANT: How may I assist you Thompson?

USER: I am planning to travel from DCA to AUS to attend live music concert at Austin.

ASSISTANT: Ok, may I know your preferable dates that you want to travel to go there?

USER: Sure, I would like to take off on 03/22 and return back from Austin on 03/24.

ASSISTANT: Ok Thompson, please wait a moment to check the flights availability and I will revert you back.

USER: Ok, but please make sure that the connection limit be 1.

ASSISTANT: Thank you for waiting. Sorry to inform you that, there are no flights available with connection 1.

USER: Ok, no issues.Thank you for checking.

ASSISTANT: Thank you for approaching us, have a great day.

USER: You are welcome.