You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit New York to meet my best friend, can you help me to book a flight ticket from DFW to EWR?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are 19 and 21 of May.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a direct flight available on your requested dates from Delta airlines with arrival time 12 PM and depart time 4 AM, shall I confirm your booking?

USER: Please proceed with the booking.

ASSISTANT: May I know your good name please?

USER: I am Scott Davis.

ASSISTANT: Your ticket is booked with flight 1006.

USER: Thanks for helping me.

ASSISTANT: You are welcome.