You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I will be travelling to New York for attending a political meeting, can you help me with booking please?

ASSISTANT: Sure, I am here to help you. Can you help me to share your travelling airport codes?

USER: My travelling airport codes will be from PHL to EWR.

ASSISTANT: May I know your journey dates?

USER: As I planned my trip, my trip dates will be from 12/21 to 12/23.

ASSISTANT: Can you help me with your name?

USER: Sure, my name is William Miller.

ASSISTANT: I have found a flight-1003 of Southwest airlines, shall I proceed?

USER: May I know the cost of the tickets for this flight please?

ASSISTANT: Sure, price of the fight ticket is 100.

USER: Ok, you can book my reservation.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for helping me with your services.

ASSISTANT: Welcome.