You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I be of your assistance today?

USER: I have several surgeries around Washington DC - DCA so, I wan to book a round trip flight under price category of 500. Can I have your help in booking my flight ticket?

ASSISTANT: Can you provide me your dates of travelling? Sure, I will help you.

USER: I wish to travel on 09/10 and 09/12.

ASSISTANT: There is a plane 1025 of Spirit airline with a connecting flight and price range 100. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: May I know your name for booking process?

USER: Janet Thompson is my name.

ASSISTANT: Your ticket has been reserved with the name Janet Thompson. Thank you for choosing us.

USER: Thanks a lot for your help.