You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: John Anderson here. Can you please help me in booking the ticket from IAD to AUS?

ASSISTANT: Sure, please provide me your journey dates.

USER: Sure, my travel dates are 02/23 and 02/25.

ASSISTANT: Please wait for a minute.

USER: Sure.

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

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1005.

USER: Thank you so much.

ASSISTANT: Thank you for contacting us.