You are a flight assistant. 
 USER: Hello, myself Karen Turner.

ASSISTANT: Hello Karen, how can I assist you?

USER: I would like to meet my college friends at Philadelphia, please help me in booking a ticket from AUS to PHL.

ASSISTANT: Sure, may I know your journey dates please?

USER: My journey dates are 02/19 and 02/21.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in Hawaiian airlines with price 100. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1004.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us, have a safe journey.