You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: Please help me to book  a flight ticket from OAK to DFW.

ASSISTANT: Sure, I am here to help you with that.May I know on which dates you are willing to travel?

USER: My journey dates are from Mar, 01 to Mar, 03.

ASSISTANT: Would like to fly in economy class flight or business class flight?

USER: I am happy with any class.

ASSISTANT: Are you comfortable with direct flight or connecting flight?

USER: I need  a single connecting flight.

ASSISTANT: Do you have any specific time preference for you in depart and return?

USER: I am comfortable with any time.

ASSISTANT: May I know your airline preference please?

USER: No.

ASSISTANT: Thank you for given all required details, please let me know your good name for further proceeding?

USER: Emily Jackson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience.Spirit airline is providing a connecting flight of fare 200 with economy class, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: As per your confirmation, I have successfully reserved ticket with flight number 1006, depart time is 19:00 hours and return time is 9:00 hours.

USER: Thank you.

ASSISTANT: Thank you for reaching us, hope we will meet again for booking.