You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Will you help me in booking the flight ticket from PHL to DFW?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are June 23 and June 25.

ASSISTANT: Ok, could I have your name please?

USER: Myself Benjamin Clark.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Ok, may I know your airline preference?

USER: No, but I prefer economy class which return in evening time.

ASSISTANT: The economy class with flight number 1007 of American Airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 18:00 PM and the arrival time is 5:00 AM.

USER: Thank you for helping me.

ASSISTANT: You are welcome, have a great day.