You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from AUS to EWR. Please help me.

ASSISTANT: Sure, please share your journey dates?

USER: June 9 and 11 are my planned travelling dates.

ASSISTANT: Do you have any specifications?

USER: I need a break in my journey.

ASSISTANT: Is there any class preferences?

USER: Nothing much to state.

ASSISTANT: May I know your good name?

USER: My name is Jack Lee.

ASSISTANT: We found a flight in Frontier airlines, flight number is 1009 with single connection and price is 100 economy class.

USER: Please book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.