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

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket to attend Jazz Event in San Francisco, CA - SFO. Can you please book a flight ticket from Washington?

ASSISTANT: Sure, I will help you to book a flight.

USER: Thank you.

ASSISTANT: May I know the airport code of Washington?

USER: Sure, my origin airport code is DC - DCA.

ASSISTANT: Please share on which dates would you like to travel?

USER: I will fly on 09/07 and return on 09/09.

ASSISTANT: Do you want any connection in between your journey?

USER: Yes, I need a Halt in between my journey.

ASSISTANT: Please also mention your budget for flight ticket?

USER: I can afford up to 5000.

ASSISTANT: Please wait for a moment, while I check for flight availability.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is direct flight available on your journey route.

USER: Please, do not proceed.

ASSISTANT: Ok.

USER: Thanks for your help.

ASSISTANT: Thank you for visiting us, have a nice day ahead.