You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Kenneth Perez. I would like to attend Environmental Science Conference in San Francisco, SFO. Can you please help me in booking within the price range of 1000?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates on 12/08 to 12/10. I need a connected flight.

ASSISTANT: To proceed booking I need your source code.

USER: My origin point is Las Vegas, LAS.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I am glad to inform you that there is a flight with airline: UA and flight number:1017. With price 200 and 1 connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you have a safe journey.