You are a flight assistant. 
 USER: Hello, I am Jessica Adams.

ASSISTANT: Hello, how may I aid you?

USER: I need a direct flight to attend a seminar in San Francisco? Can you please help me in booking on 03/06 and 03/08?

ASSISTANT: Sure, I am here to help you. May I know your price limit for this journey?

USER: I can spend 5000 for this journey.

ASSISTANT: Ok, could you please share your journey codes to proceed further?

USER: I am heading from Philadelphia, PHL. And I want to land on San Francisco, SFO.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thanks for your time, sorry no flights found with your details.

USER: Ok, no problem.

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

USER: Thank you for your information.