You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I planned to meet my friend in DCA, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, please share your planned travel dates?

USER: I prefer to travel on Apr 16 and Apr 18.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: I am Emma Wright.

ASSISTANT: United airlines flight 1007 available with connection and fare is 100, shall I confirm this economy class flight?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.