You are a flight assistant. 
 USER: Hello,. I am Carolyn Anderson.

ASSISTANT: Hello,. How may I be of your assistance?

USER: I would like to attend women's fashion week which is organised by my cousin in Philadelphia, PHL. Please book a flight ticket under price 200.

ASSISTANT: Sure, I am happy to help you. May I know your trip dates?

USER: My travelling dates are from 11/07 to 11/09.

ASSISTANT: Help me with the source code?

USER: My source code is ORD.

ASSISTANT: There is a flight in an airline Spirit of number 1019 having a single connection with a price of 200. Shall I reserve?

USER: Please go with booking.

ASSISTANT: Your flight ticket is booked.

USER: Thanks for the reservation.

ASSISTANT: Thank you for availing with us. Have a safe journey.

USER: Thank you.