You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Thomas Hernandez. I want to meet my parents at DCA, Can you please book at ticket from AUS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my travelling dates are from 08/15 to 08/17.

ASSISTANT: Do you have any connection limit?

USER: Please make sure with single connection.

ASSISTANT: Sorry, there are no flights found with single stop over, is there any choice of going with direct flight?

USER: No problem.

ASSISTANT: Ok, thank you for choosing us.

USER: Thank you for your information.