You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to meet my family after a long gap, please help me in booking a ticket.

ASSISTANT: That's good. May I know your airport codes?

USER: Sure, my airport codes are from AUS to DCA.

ASSISTANT: On which dates you want to travel?

USER: My planned dates are from 11/14 to 11/16.

ASSISTANT: I have to look for the availability, please wait for a moment.

USER: Sure, I want the flight with 0 connection.

ASSISTANT: Happy to inform you that, I found a flight-1009 and airline is Hawaiian.

USER: Ok, if it has 0 connection please book my ticket.

ASSISTANT: Sorry, there is no flight found with 0 connection. May I know your name?

USER: Sure, my name is Larry Lopez.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Welcome, have a nice day.