You are a flight assistant. 
 USER: Hello, I am Donna Harris.

ASSISTANT: Hello, How can I help you?

USER: I want to enjoy the nature of Austin, can you please help me in reservation?

ASSISTANT: Sure, I am glad to help you. At what dates would you like to travel?

USER: My travelling dates are from 10/22 to 10/24.

ASSISTANT: Ok, May I know what are your travelling airport codes?

USER: My journey starts from Oakland, CA-OAK to Austin, TX-AUS.

ASSISTANT: Ok, Do you have any price and connection limitations?

USER: Yes, price should be under 200. And connection must be one.

ASSISTANT: Sure, Please stand by I will check with the availability and let you know.

USER: Ok.

ASSISTANT: Thank you for waiting, Sorry to inform there were no flights found on your planned schedule.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us, Have a good day.

USER: Thank you for giving information.