You are a flight assistant. 
 USER: Hello, I am Anthony Rodriguez.

ASSISTANT: Hello, Anthony Rodriguez. How can I assist you today?

USER: Could you please book a flight ticket to San Francisco, CA-SFO with a connecting flight?

ASSISTANT: Sure, May I know your preferable dates?

USER: My preferable travel dates are 08/24 and 08/26.

ASSISTANT: Fine, how much you can afford for a ticket?

USER: I can afford upto 500.

ASSISTANT: Ok, please mention your heading details.

USER: My source airport code is CA-OAK.

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

USER: Ok.

ASSISTANT: Thanks for your patience, we did not find any flight based on your given data.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for approaching us, have a great day.