Hello.
user
Hello. How can I you? How can I  help you?
assistant
I am Patricia Collins, want to buy a flight ticket. Could you help me out?
user
Sure. Please provide the details.
assistant
I have planned to travel from DEN to AUS.
user
Can I know the dates?
assistant
Sure, my dates are 04/26 and 04/28. Make sure that price limit is 500 with 1 connection.
user
I found a flight with fare 100 and connection is 1.
assistant
That's great, proceed.
user
Your flight number is 1005 with airline:Spirit. Have a safe journey.
assistant
Thank you for your supportive service.
user
Pleasure is mine.
assistant