You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Raymond Allen. I am planning to attend my neighbours wedding, will you help me in flight booking?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates from 11/25 to 11/27.

ASSISTANT: Please provide me airport codes.

USER: Sure, my origin from CA - SFO and my destination is PA - PHL. My price limit is 1000.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight with your given details. The flight number: 1020, airline: Delta. Price: 100 with one connection.

USER: Ok, proceed my booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you, for your good service.

ASSISTANT: Thank you for choosing us.