You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to meet my school friend in Philadelphia, so please book a flight ticket from AUS to PHL.

ASSISTANT: Sure, May I know your travelling dates?

USER: I will start on June 16, return on June 18.

ASSISTANT: Do you have any preferences?

USER: I want a direct flight.

ASSISTANT: May I know your name?

USER: My name is Shirley Moore.

ASSISTANT: You have a direct flight 1015 in Frontier airline and price 100, Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.