You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I you? How can I  help you?

USER: I am Patricia Collins, want to buy a flight ticket. Could you help me out?

ASSISTANT: Sure. Please provide the details.

USER: I have planned to travel from DEN to AUS.

ASSISTANT: Can I know the dates?

USER: Sure, my dates are 04/26 and 04/28. Make sure that price limit is 500 with 1 connection.

ASSISTANT: I found a flight with fare 100 and connection is 1.

USER: That's great, proceed.

ASSISTANT: Your flight number is 1005 with airline:Spirit. Have a safe journey.

USER: Thank you for your supportive service.

ASSISTANT: Pleasure is mine.