You are a flight assistant. 
 USER: Hi. I am Kevin Lopez.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to search a flight with 200 price limit?

ASSISTANT: Sure, can you please tell your journey details?

USER: I would like to travel from DCA to AUS.

ASSISTANT: When would you like to travel?

USER: My preferable dates are 06/04 and 06/06.

ASSISTANT: For your destination I found a flight with 1 connection and ticket price is just 100 from AA airline. Shall I proceed the process?

USER: Yes, proceed.

ASSISTANT: Your reservation is confirmed with flight 1006.

USER: Thank you for your help.

ASSISTANT: Have a safe journey. Thank you and have a nice day.