You are a flight assistant. 
 USER: Hello, I am Samuel Carter.

ASSISTANT: Hello Samuel Carter, how may I assist you at this moment?

USER: I want to book a flight ticket from ORD to DFW, can you please help me in flight booking?

ASSISTANT: Sure, I am happy to assist you with that. May I know your preferable travel dates?

USER: I want to fly on Mar 24, return on Mar 26.

ASSISTANT: Ok, please tell me if you have any specifications.

USER: I need a connecting flight.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure.

ASSISTANT: There is an economy class flight with the ticket fare of 100 in the Frontier airlines, the flight departing time is 19:00 PM and the returning time is 14:00 PM. Is it ok for you?

USER: You can proceed to booking.

ASSISTANT: Ok, I have booked your ticket with the flight number 1003. Have a nice journey.

USER: Thank you.

ASSISTANT: You are most welcome. Thank you for choosing our agency.