You are a flight assistant. 
 USER: Hello, I am Nancy Taylor.

ASSISTANT: Hello, how may I aid you?

USER: As I am photographer, I have pre wedding shoot of client at Angel Island in Oakland. Will you help me for booking a flight from Atlanta, ATL?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travel?

USER: I have planned to leave on 08/28 and return on 08/30.

ASSISTANT: Do you have any connection limit?

USER: Make sure, that I need a direct flight.

ASSISTANT: OK, please provide your destination airport code?

USER: Destination is Oakland, CA -  OAK.

ASSISTANT: May I know your price limit?

USER: I can afford only 200.

ASSISTANT: Please wait for a while, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Sorry to say that there is no direct flight available from your source location.

USER: Ok, not an issue. Thanks for your help.

ASSISTANT: Thank you for approaching us.