You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to visit an arts expo at New York. Can you please reserve me a flight ticket from PHL to JFK?

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned journey dates are Dec 17 and Dec 19.

ASSISTANT: Do you have any connection limit?

USER: I need a flight having single connection.

ASSISTANT: May I know your airline preference?

USER: I wish to travel in normal cost airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Shirley Turner.

ASSISTANT: There is flight from United Airlines with a ticket fare 100, which departs at 7:00 AM and returns at 13:00 PM, shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with the flight-1024 in economy class.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe trip.