You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend a Marriage in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are Sep 25 and Sep 27.

ASSISTANT: May I know your nearest airport codes please?

USER: My airport codes are LAX and PHL.

ASSISTANT: Do you have any preferences on your journey?

USER: I would prefer single connecting flight.

ASSISTANT: Is there any another preferences do you required?

USER: No, I don't have any other preferences.

ASSISTANT: May I know your name for the booking process?

USER: My name is Ryan Mitchell.

ASSISTANT: American  Airlines providing a flight with the price 200 with 0 connection. Can I proceed for the booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your flight ticket reservation done with the flight number 1001.

USER: Thanks for helping me.

ASSISTANT: Welcome, thank you for reaching us.