You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to take my children to white house this weekend, can you book a flight ticket under fare of 1000?

ASSISTANT: Sure, can you please  provide your further details to proceed?

USER: I want to start from New York, NY - JFK. I want to fly out off Washington DC - IAD.

ASSISTANT: May I know your name?

USER: I am Catherine White. My preferable travel dates are 10/23 and 10/25.

ASSISTANT: Ok, do you have any preference connections?

USER: Yes, I want connecting flight with limit one.

ASSISTANT: Ok, please hold on, let me check the availability of flight and let you know.

USER: OK.

ASSISTANT: Thanks for waiting, sorry, unfortunately no flights found on that day.

USER: That's ok, no problem. Thanks for your time.

ASSISTANT: Pleasure to serve you, have a great day ahead.