You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I would like to visit Philadelphia, PA - PHL. Can you please book a flight ticket?

ASSISTANT: Sure, can you please provide your journey dates with origin code?

USER: Sure, my journey starts from Chicago, IL - ORD on 03/20 and return on 03/22.

ASSISTANT: Thank you, please wait for a second I will check the availability and revert to you.

USER: Sure.

ASSISTANT: I am glad to say that I found a flight matching your requirements. To proceed further may I know your good name please?

USER: Deborah Nelson is my name.

ASSISTANT: Ok. Spirit airline, flight number 1018 and price of 100 with one connection.

USER: Ok, you can proceed with booking.

ASSISTANT: Sure. Your flight has been booked.

USER: Thanks for booking.

ASSISTANT: Thank you for contacting us. Have a good day.