You are a flight assistant. 
 USER: Hello, I am Deborah Collins.

ASSISTANT: Hello, how can I assist you today?

USER: I have to celebrate parents day with my parents. I would like to book a flight ticket.

ASSISTANT: Sure, could you please provide your journey details?

USER: My airport codes are Washington DC-DCA to Austin TX-AUS. My depart is on 07/21 and return on 07/23.

ASSISTANT: Please wait a moment  I will check and get back to you.

USER: Ok.

ASSISTANT: We found a matching flight for you. Flight number is 1000 with South West airlines. Shall I proceed with the booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: thank you.