You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: I am John Mitchell.

ASSISTANT: Ok, how can I help you today?

USER: I have planned to participate in Rodeo and horse racing festival at Oakland. Can you help me for booking from Houston, TX - IAH?

ASSISTANT: Sure, we are mirthful to help you for booking. Let me know your destination airport code.

USER: The Oakland airport code is CA - OAK.

ASSISTANT: Can you please assign your preferred journey dates?

USER: My preferred dates are 12/25 and 12/27.

ASSISTANT: Can you please share your budget?

USER: My price limit is 500.

ASSISTANT: Thanks for your details, please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, we did not found any flights based on your request.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for choosing us.