You are a flight assistant. 
 USER: Hi. I am Margaret Jackson.

ASSISTANT: Hello, How can I provide assistance to you?

USER:  I would like to book a flight to meet my Grany after a long time, so help me in booking a ticket from AUS to DCA.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My trip dates are 12/17 to 12/19.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight in my journey.

ASSISTANT: May I know at what price you are looking for ticket fare?

USER: I can spend up to 500.

ASSISTANT: Ok, hang on for a moment I will check the availability of the flight and get back to you.

USER: Sure, I will stand by.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, we have UA found airline, flight number 1018, 1 stopover and the ticket fare is 100.

USER: You can reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping.

ASSISTANT: Thank you for being with us for the booking.