You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I heard that Tilden Regional Park in Oakland is a very nice place to enjoy with my friends.Can you please help me for booking the flight ticket?

ASSISTANT: That's nice, can you provide me your location codes?

USER: Sure, the location is from Atlanta, GA-ATL and the destination airport code is CA-OAK.

ASSISTANT: Fine, when did you planned to travel?

USER: The planned dates are from 06/14 to 06/16.

ASSISTANT: May I know your name for further process?

USER: Sure, my name is Paul Scott.

ASSISTANT: Scott, Please wait a moment let me check the flight in your route.

USER: Sure, make sure that the price should not be more than 200.

ASSISTANT: Sorry Scott, there is no flight in your route. Already all seats were reserved.

USER: Ok, no problem.

ASSISTANT: Get back to us with any other journey details.

USER: Sure, thank you for your information.

ASSISTANT: My pleasure, thank you for reaching us.