You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please book me a flight ticket to Houston for shopping?

ASSISTANT: Sure, please provide me your travelling dates?

USER: Sure, my travelling dates are departure on 08/26 and return on 08/28.

ASSISTANT: May I know your price limit?

USER: 5000 is my price limit.

ASSISTANT: Kindly, mention your source and destination codes?

USER: AUS is my source and HOU is my destination.

ASSISTANT: Please wait for a moment, I will check and back to you.

USER: Ok.

ASSISTANT: We found a flight with JetBlue airlines of flight 1003. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Can I know your name?

USER: Steven Turner is my name.

ASSISTANT: Thank you for choosing us.