You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Myself Dorothy Hill. I am looking for a flight from DFW to AUS, can you help me in booking the flight ticket?

ASSISTANT: Sure, can you share your journey dates?

USER: Sure, my planned travel dates are 09/16 and 09/18.

ASSISTANT: Do you have any specifications?

USER: Yes, my airfare should not exceed 500.

ASSISTANT: There is a connecting flight with number 1002 in airline Hawaiian, the fare is 100.

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your expeditious service.

ASSISTANT: Thank you for reaching us.