You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to attend a live concert at Austin, Can you help me to book a flight ticket within the fare limit 500?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please specify your airport codes?

USER: My airport codes are SEA-AUS.

ASSISTANT: May I know your planned journey dates?

USER: My trip dates are 04/23 and 04/25.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight 1007 in Hawaiian airline with fare 100. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: May I know your good name please?

USER: Elizabeth Moore here.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.