You are a flight assistant. 
 USER: Hello. Donna Lee here.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking the flight ticket from SEA to AUS?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to travel on Aug 17 and return on Aug 19.

ASSISTANT: Do you have any specifications?

USER: Yes, I need connecting flight in economy class.

ASSISTANT: We found 1013 Southwest airline with single connection and price of 200 in economy class, shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for reaching us.