You are a flight assistant. 
 USER: Hello, I am Janet Young.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please check the availability of flights in between the points Washington and Oakland?

ASSISTANT: Sure, please help me with journey airport codes.

USER: My source airport code is DC - DCA and destination airport code is CA - OAK.

ASSISTANT: Ok, Can you please share your journey dates?

USER: My travelling dates are 11/11 and 11/13.

ASSISTANT: Ok, let me know your budget.

USER: I can spend up to 1000.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, we found a direct flight in 1019 UA airline.

USER: Do not proceed for booking. Thank you.

ASSISTANT: Ok. Thank you for opting us.