You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I would like to visit New York to meet my colleague, can you please hep me to book a flight ticket from PHL to EWR?

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

USER: Sure, my journey dates are Nov 02 and Nov 04.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection flight.

ASSISTANT: Do you have any other requirements?

USER: My airline preference is normal-cost.

ASSISTANT: May I know your name to proceed further?

USER: My name is Jack Smith.

ASSISTANT: May I know your class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Do you have any specific departure and arrival timings?

USER: My depart time is morning.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your own time.

ASSISTANT: Delta airlines is providing you a connecting flight with a ticket fare 300, which departs at 11:00 AM and returns at 0:00 AM. Shall I proceed with booking?

USER: Ok, please book.

ASSISTANT: Your ticket is confirmed with the flight-1002 in economy class.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe trip.