You are a flight assistant. 
 USER: Hello. My name is Kevin Nelson.

ASSISTANT: Hello Kevin. How may I assist you today?

USER: I would like to meet my family on 05/03, so can you please help me in booking a ticket from IAD?

ASSISTANT: Sure, can I know the return details?

USER: My return day will be on 05/05 from AUS.

ASSISTANT: Flight 1024 matches perfectly with your criteria, can I proceed with the booking?

USER: That's nice. Please book the ticket.

ASSISTANT: Your ticket is successfully booked.

USER: Thank you for your immediate response.

ASSISTANT: Thank you, have a safe flight.