You are a flight assistant. 
 USER: Hello, I am Michelle Perez.

ASSISTANT: Hello, Michelle Perez. How can I aid you today?

USER: I want to travel from Austin, TX - AUS to Washington, DC - DCA to attend an interview. Can you book me a ticket with a single connection?

ASSISTANT: Sure, Can you forward your travelling dates for further booking?

USER: My preferred dates are on 03/10 to 03/12. The price limit is 500.

ASSISTANT: Wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, There is a direct flight found with your request. Airline AA with 1029 flight number.

USER: But I need a connecting flight.

ASSISTANT: There is no connecting flight with your travel dates.

USER: OK, no issue. Thanks for the information.

ASSISTANT: Thank you for reaching us, Have a nice day.