You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Walker.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from PHL to JFK to attend seminar, can you help me in booking?

ASSISTANT: Sure, please provide me your journey dates.

USER: I am departing on 03/17 and return on 03/19.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in Southwest airlines with price 200. Shall I book the ticket for you?

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1018.

USER: Thank you.

ASSISTANT: Thank you for contacting us.