You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Joseph Carter. I want to book a flight ticket from Philadelphia PHL to MSP. Can find a flight ticket for me?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: Thank you for considering my request. My planned trip dates are on Dec 11 and return on Dec 13.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Here, I found a direct flight for you in economy class. Shall I proceed for booking?

USER: Yes, you can proceed with the ticket booking.

ASSISTANT: Your ticket is booked with flight number 1007 and airline is Delta.

USER: Thank you for your best service.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.