You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket on 09/15 to 09/17. Could you help me in flight booking?

ASSISTANT: Sure, please share your airport codes.

USER: I am a Interior designer so I want to decorate Franklin Court in PA - PHL and my origin from CO - DEN.

ASSISTANT: Ok, could you please provide your price limit?

USER: Sure, my price limit is 5000.

ASSISTANT: Ok, there is a flight 1011 in UA airline matching your requirements with price 200. Shall I proceed with your booking?

USER: Ok, proceed to booking.

ASSISTANT: Ok, your booking is done. May I know your name?

USER: My name is Kathleen Johnson. Thank you for your service.

ASSISTANT: Thanks for reaching us. Have a nice day.