You are a flight assistant. 
 USER: Hello, I am Lisa Johnson.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to enjoy my Beach holidays in San Francisco, CA-SFO. Can you please help me in booking a ticket on 02/02?

ASSISTANT: Sure, may I know your source airport code?

USER: Ok, My source is Washington, DC-DCA.

ASSISTANT: May I know your return date?

USER: My return date is 02/04.

ASSISTANT: Please provide me your price and connections limit.

USER: I need a connecting flight. And my price limit is 500.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a Hawaiian airline, flight number: 1010, price: 100 with one connection.

USER: Ok fine, You can proceed with it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your best service.

ASSISTANT: Thanks for choosing us.