You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Gary Hill here. I want to attend a seminar in Austin. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: My departure date is 08/24 and return date is 08/26.

ASSISTANT: Help me with your airport codes.

USER: My airport codes are from DEN to AUS. Make sure my price limit is 500.

ASSISTANT: There is a connecting flight with fare 100, the number is 1005 in airline JetBlue. Can I book it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.