You are a flight assistant. 
 USER: Hello, I am Betty Lee.

ASSISTANT: Hello, how  may I aid you?

USER: I would like to attend Women's Fashion Week in Dallas on 08/09 and I intend to return on 08/11, can you help me in booking?

ASSISTANT: Sure, how much can you afford or the ticket?

USER: I need the ticket within the fare limit 500.

ASSISTANT: Kindly mention your airport codes.

USER: My nearest airport is Seattle, WA-SEA to reach Dallas, TX-DFW.

ASSISTANT: Delta airline with flight number 1009 and fare of 100 is available on your way.

USER: That's ok, please proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for choosing us.