You are a flight assistant. 
 USER: Hello. I am Patrick Thomas.

ASSISTANT: Hello, How can I support you today?

USER: I am planning to go for a shopping in Barton Creek Square at Austin, AUS so could you please avail a flight ticket for me?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know how much do you want to spend on flight ticket?

USER: I can spend up to 1000 for airfare.

ASSISTANT: May I know when you have planned to travel?

USER: My journey dates are, departure on 01/23 and arrival on 01/25.

ASSISTANT:  I need your selected airport code, that you wish to board from?

USER: My source point is Washington, DCA.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found a Southwest airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed with airline number 1017.

USER: Thanks for helping me in booking process.

ASSISTANT: Thank you for choosing us.