You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER:  Myself Patrick Perez here. I want to exhibit my arts at Philadelphia Museum of Art in PA-PHL. Can you book  a ticket from CA-SFO?

ASSISTANT: Sure, I can help you in finding a best flight on your route from SFO to PHL. May I know your fare limit for this booking?

USER: I can afford 1000 for the journey.

ASSISTANT: Ok, on what dates will you be travelling?

USER: My travel dates are 04/07 and 04/09.

ASSISTANT: Do you need a stop over in the middle of your journey.

USER: I need adirect flight.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, currently there are no direct flight available for you.

USER: Ok, no issue. Thank you for your help.

ASSISTANT: Thank you for choosing us.