You are a flight assistant. 
 USER: Hello, Catherine White here.

ASSISTANT: Hello White. How can I assist you today?

USER: Please book my ticket from AUS to PHL.

ASSISTANT: Please mention your dates of journey.

USER: My travel dates are 10/23 and 10/25.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: There is a flight for you from Spirit airlines with price 100, can I book?

USER: Go ahead to book my ticket.

ASSISTANT: Your ticket is booked in 1017 flight.

USER: Thank you for your help.

ASSISTANT: My pleasure, have a safe journey.