You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to book a ticket from JFK to PHL. Can you please help me out?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: I would like to travel on July 21 and return back on July 23.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I am looking for a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: Yes, I am looking for a normal cost airline.

ASSISTANT: Can I have your good name please?

USER: My name is Robert Gonzalez.

ASSISTANT: Delta airlines is providing a flight on that route with ticket fare of 100 and 1 connection, it will departs at 8:00 hours and arrives at 16:00 hours. Shall I proceed for booking?

USER: That's fine, please proceed the booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1005, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.